Michal Abrahamowicz

Michal Abrahamowicz

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Michal Abrahamowicz

Publications by authors named "Michal Abrahamowicz"

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Can Hyperparameter Tuning Improve the Performance of a Super Learner?: A Case Study.

Epidemiology 2019 Jul;30(4):521-531

Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, Canada.

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http://Insights.ovid.com/crossref?an=00001648-900000000-9856
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http://dx.doi.org/10.1097/EDE.0000000000001027DOI Listing
July 2019

Evaluating Flexible Modeling of Continuous Covariates in Inverse-Weighted Estimators.

Am J Epidemiol 2019 Jun;188(6):1181-1191

Department of Epidemiology, Biostatistics and Occupational Health, Faculty of Medicine, McGill University, Montréal, Québec, Canada.

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http://dx.doi.org/10.1093/aje/kwz004DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6545287PMC
June 2019

Risk of Incident Chronic Obstructive Pulmonary Disease in Rheumatoid Arthritis: A Population-Based Cohort Study.

Arthritis Care Res (Hoboken) 2019 May 2;71(5):602-610. Epub 2018 Apr 2.

Arthritis Research Canada, and University of British Columbia, Vancouver, British Columbia, Canada.

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http://doi.wiley.com/10.1002/acr.23410
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http://dx.doi.org/10.1002/acr.23410DOI Listing
May 2019

Assessing the time dependence of prognostic values of cytology and human papillomavirus testing in cervical cancer screening.

Int J Cancer 2019 May 21;144(10):2408-2418. Epub 2019 Jan 21.

Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, QC, Canada.

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http://doi.wiley.com/10.1002/ijc.31970
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http://dx.doi.org/10.1002/ijc.31970DOI Listing
May 2019

Associations Between Methotrexate Use and the Risk of Cardiovascular Events in Patients with Elderly-onset Rheumatoid Arthritis.

J Rheumatol 2019 May 1;46(5):467-474. Epub 2018 Dec 1.

From the Sunnybrook Research Institute, Holland Bone and Joint Research Program, Toronto, Ontario; McGill University, Department of Epidemiology, Biostatistics and Occupational Health; Research Institute of the McGill University Health Centre, Department of Clinical Epidemiology, and Centre for Outcomes Research and Evaluation, Montreal, Quebec; ICES; University of Toronto, Institute of Health Policy, Management and Evaluation, Toronto; McMaster University, Department of Family Medicine, Hamilton; Southlake Regional Health Centre, Department of Medicine, Newmarket; Western University, Department of Epidemiology and Biostatistics; St. Joseph's Health Care, Department of Medicine, London; Mount Sinai Hospital, Department of Medicine, Toronto, Ontario, Canada.

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http://dx.doi.org/10.3899/jrheum.180427DOI Listing
May 2019

Challenges at Care Transitions: Failure to Follow Medication Changes made at Hospital Discharge.

Am J Med 2019 May 27. Epub 2019 May 27.

Department of Epidemiology and Biostatistics, McGill University; Clinical and Health Informatics Research Group, Department of Medicine, McGill University.

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http://dx.doi.org/10.1016/j.amjmed.2019.05.003DOI Listing
May 2019

A prospective study of postnatal depressive symptoms and associated risk factors in first-time fathers.

J Affect Disord 2019 Apr 11;249:371-377. Epub 2019 Feb 11.

Lady Davis Institute, Department of Psychiatry, Jewish General Hospital and McGill University, Canada.

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http://dx.doi.org/10.1016/j.jad.2019.02.033DOI Listing
April 2019

A review of spline function procedures in R.

BMC Med Res Methodol 2019 Mar 6;19(1):46. Epub 2019 Mar 6.

Medical Biometry, Informatics and Epidemiology, Faculty of Medicine, University of Bonn, Bonn, Germany.

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https://bmcmedresmethodol.biomedcentral.com/articles/10.1186
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http://dx.doi.org/10.1186/s12874-019-0666-3DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6402144PMC
March 2019

Adjustment for time-dependent unmeasured confounders in marginal structural Cox models using validation sample data.

Stat Methods Med Res 2019 Feb 24;28(2):357-371. Epub 2017 Aug 24.

Department of Epidemiology, Biostatistics & Occupational Health, McGill University, Canada.

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http://dx.doi.org/10.1177/0962280217726800DOI Listing
February 2019

Persistent Disease Activity Remains a Burden for Patients with Systemic Lupus Erythematosus.

J Rheumatol 2019 Feb 15;46(2):166-175. Epub 2018 Sep 15.

From the Departments of Internal Medicine and Community Health Sciences, University of Manitoba, Winnipeg; Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec; University of Western Ontario and St. Joseph's Health Care London, London; Hospital for Sick Children, Toronto; University of Toronto, Toronto; Medical Affairs, GlaxoSmithKline Inc., Mississauga, Ontario; CH Maisonneuve-Rosemont, Montreal; BC Children's Hospital, Vancouver, British Columbia; McGill University Health Centre, Montreal, Quebec; Jewish General Hospital, Lady Davis Institute and McGill University, Montreal, Quebec; IWK Health Centre and Dalhousie University, Halifax, Nova Scotia; University of Ottawa, Ottawa, Ontario; Division of Rheumatology, Arthritis Research Canada, University of British Columbia; Rheumatology Clinic, Calgary, Alberta; Montreal Children's Hospital, McGill University Health Centre, Montreal; Division of Rheumatology, Department of Medicine, CHU de Québec-Université Laval, Quebec City, Quebec, Canada; GlaxoSmithKline Inc., King of Prussia, Pennsylvania, USA.

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http://dx.doi.org/10.3899/jrheum.171454DOI Listing
February 2019

Exposure measurement error when assessing current glucocorticoid use using UK primary care electronic prescription data.

Pharmacoepidemiol Drug Saf 2019 Feb 28;28(2):179-186. Epub 2018 Sep 28.

Arthritis Research UK Centre for Epidemiology, Centre for Musculoskeletal Research, School of Biological Sciences, Manchester Academic Health Science Centre, The University of Manchester, Manchester, UK.

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http://dx.doi.org/10.1002/pds.4649DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6492099PMC
February 2019

Associations between low- and high-dose oral fluconazole and pregnancy outcomes: 3 nested case-control studies.

CMAJ 2019 Feb;191(7):E179-E187

Research Centre (Bérard, Sheehy, Zhao, Gorgui), CHU Sainte-Justine; Faculty of Pharmacy (Bérard, Gorgui), University of Montreal; Faculty of Medicine (Bernatsky, Moura), McGill University; Faculty of Medicine, Department of Clinical Epidemiology (Abrahamowicz), McGill University, Montréal, Que.

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http://dx.doi.org/10.1503/cmaj.180963DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6379167PMC
February 2019

Competing risks modeling of cumulative effects of time-varying drug exposures.

Stat Methods Med Res 2019 Jan 7;28(1):248-262. Epub 2017 Sep 7.

Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Canada.

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http://dx.doi.org/10.1177/0962280217720947DOI Listing
January 2019

Acute vs cumulative benefits of metformin use in patients with type 2 diabetes and heart failure.

Diabetes Obes Metab 2018 11 30;20(11):2653-2660. Epub 2018 Jul 30.

School of Public Health, University of Alberta, Edmonton, Canada.

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http://dx.doi.org/10.1111/dom.13448DOI Listing
November 2018

Assessing the accuracy of using diagnostic codes from administrative data to infer antidepressant treatment indications: a validation study.

Pharmacoepidemiol Drug Saf 2018 10 23;27(10):1101-1111. Epub 2018 Apr 23.

Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, Canada.

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http://dx.doi.org/10.1002/pds.4436DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6220980PMC
October 2018

Serious Infections in Rheumatoid Arthritis Offspring Exposed to Tumor Necrosis Factor Inhibitors: A Cohort Study.

Arthritis Rheumatol 2018 Oct 30;70(10):1565-1571. Epub 2018 Aug 30.

McGill University Health Center and McGill University, Montreal, Quebec, Canada.

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http://doi.wiley.com/10.1002/art.40536
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http://dx.doi.org/10.1002/art.40536DOI Listing
October 2018

Quality of care for cardiovascular disease prevention in rheumatoid arthritis: compliance with hyperlipidemia screening guidelines.

Rheumatology (Oxford) 2018 10;57(10):1789-1794

Arthritis Research Canada, Milan Ilich Arthritis Research Centre, Richmond, Canada.

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http://dx.doi.org/10.1093/rheumatology/key164DOI Listing
October 2018

Cardiovascular Disease Prevention in Rheumatoid Arthritis: Compliance with Diabetes Screening Guidelines.

J Rheumatol 2018 Oct 15;45(10):1367-1374. Epub 2018 Jul 15.

From the Department of Medicine, and the Division of Rheumatology, Department of Medicine, University of British Columbia, Vancouver; Arthritis Research Canada, Richmond, British Columbia; McGill University, Montreal, Quebec, Canada.

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http://dx.doi.org/10.3899/jrheum.170973DOI Listing
October 2018

Predicting serum vitamin D concentrations based on self-reported lifestyle factors and personal attributes.

Br J Nutr 2018 Oct 6;120(7):803-812. Epub 2018 Aug 6.

1Université de Montréal Hospital Research Centre (CRCHUM),850 Saint-Denis Street, Montreal, QC, Canada H2X 0A9.

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http://dx.doi.org/10.1017/S000711451800199XDOI Listing
October 2018

Development and Validation of a Novel Evidence-Based Lupus Multivariable Outcome Score for Clinical Trials.

Arthritis Rheumatol 2018 Sep 3;70(9):1450-1458. Epub 2018 Aug 3.

RILITE Research Institute, Charlottesville, Virginia.

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http://dx.doi.org/10.1002/art.40522DOI Listing
September 2018

Asthma is not associated with the need for surgery in Crohn's disease when controlling for smoking status: a population-based cohort study.

Clin Epidemiol 2018 12;10:831-840. Epub 2018 Jul 12.

Children's Hospital of Eastern Ontario (CHEO) Inflammatory Bowel Disease Centre, Division of Gastroenterology, Hepatology and Nutrition, Children's Hospital of Eastern Ontario, Ottawa, ON, Canada,

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http://dx.doi.org/10.2147/CLEP.S156772DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6049604PMC
July 2018

Derivation and validation of a multivariable model to predict when primary care physicians prescribe antidepressants for indications other than depression.

Clin Epidemiol 2018 18;10:457-474. Epub 2018 Apr 18.

Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, QC, Canada.

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http://dx.doi.org/10.2147/CLEP.S153000DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5912382PMC
April 2018

Exposure to Low-Dose Ionizing Radiation From Cardiac Procedures and Malignancy Risk in Adults With Congenital Heart Disease.

Circulation 2018 03 21;137(13):1334-1345. Epub 2017 Dec 21.

McGill Adult Unit for Congenital Heart Disease Excellence, Montreal, Quebec, Canada (S.C., A.L., L.G., J.T., A.J.M.)

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http://dx.doi.org/10.1161/CIRCULATIONAHA.117.029138DOI Listing
March 2018

Effectiveness and safety of tofacitinib in rheumatoid arthritis: a cohort study.

Arthritis Res Ther 2018 03 23;20(1):60. Epub 2018 Mar 23.

Division of Clinical Epidemiology, Research Institute of McGill University Health Centre, 5252 de Maisonneuve West, Montreal, QC, Canada.

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http://dx.doi.org/10.1186/s13075-018-1539-6DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5865387PMC
March 2018

Risk of acute myocardial infarction with real-world NSAIDs depends on dose and timing of exposure.

Pharmacoepidemiol Drug Saf 2018 01 24;27(1):69-77. Epub 2017 Nov 24.

Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, Montreal, Canada.

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http://dx.doi.org/10.1002/pds.4358DOI Listing
January 2018

On the necessity and design of studies comparing statistical methods.

Biom J 2018 01 29;60(1):216-218. Epub 2017 Nov 29.

Institute for Medical Biometry and Statistics, Faculty of Medicine and Medical Center, University of Freiburg, Stefan-Meier-Str. 26, 79104, Freiburg, Germany.

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http://dx.doi.org/10.1002/bimj.201700129DOI Listing
January 2018

A comparison of methods for estimating the temporal change in a continuous variable: Example of HbA1c in patients with diabetes.

Pharmacoepidemiol Drug Saf 2017 Dec 15;26(12):1474-1482. Epub 2017 Aug 15.

Division of Musculoskeletal and Dermatological Sciences, Arthritis Research UK Centre for Epidemiology, School of Biological Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester Academic Health Science Centre, Manchester, UK.

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http://dx.doi.org/10.1002/pds.4273DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5724699PMC
December 2017

Relations between work and upper extremity musculoskeletal problems (UEMSP) and the moderating role of psychosocial work factors on the relation between computer work and UEMSP.

Int Arch Occup Environ Health 2017 Nov 23;90(8):751-764. Epub 2017 Jun 23.

Scientific Group on Work-related Musculoskeletal Disorders, Institut national de santé publique du Québec, 190 Crémazie E, Montreal, QC, H2P 1E2, Canada.

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http://dx.doi.org/10.1007/s00420-017-1236-9DOI Listing
November 2017

Using Multiple Pharmacovigilance Models Improves the Timeliness of Signal Detection in Simulated Prospective Surveillance.

Drug Saf 2017 11;40(11):1119-1129

Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, QC, Canada.

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http://dx.doi.org/10.1007/s40264-017-0555-9DOI Listing
November 2017

Group physiotherapy compared to individual physiotherapy to treat urinary incontinence in aging women: study protocol for a randomized controlled trial.

Trials 2017 Nov 16;18(1):544. Epub 2017 Nov 16.

Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Research Institute of the McGill University Health Centre, Montréal, QC, Canada.

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http://dx.doi.org/10.1186/s13063-017-2261-4DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5689182PMC
November 2017

Comparative effectiveness of antihypertensive drugs in nondiabetic patients with hypertension: A population-based study.

J Clin Hypertens (Greenwich) 2017 Oct 29;19(10):999-1009. Epub 2017 Jul 29.

Divisions of General Internal Medicine and Clinical Epidemiology, Department of Medicine, McGill University and McGill University Health Center Research Institute, Montreal, Quebec, Canada.

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http://dx.doi.org/10.1111/jch.13055DOI Listing
October 2017

Antiretroviral combination use during pregnancy and the risk of major congenital malformations.

AIDS 2017 10;31(16):2267-2277

aResearch Center, CHU Sainte-Justine, Montreal bFaculty of Pharmacy, University of Montreal cFaculty of Medicine, Department of Clinical Epidemiology, McGill University, Montreal, Quebec dWomen's College Hospital, University of Toronto, Toronto, Ontario eDepartment of Obstetrics and Gynecology, CHU Sainte-Justine, Montreal fFaculty of Medicine, McGill University, Montreal, Quebec, Canada.

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http://dx.doi.org/10.1097/QAD.0000000000001610DOI Listing
October 2017

Improvement in 5-year mortality in incident rheumatoid arthritis compared with the general population-closing the mortality gap.

Ann Rheum Dis 2017 Jun 28;76(6):1057-1063. Epub 2016 Dec 28.

Department of Epidemiology and Biostatistics, McGill University, Montreal, Quebec, Canada.

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http://dx.doi.org/10.1136/annrheumdis-2016-209562DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5526676PMC
June 2017

SSRI and SNRI use during pregnancy and the risk of persistent pulmonary hypertension of the newborn.

Br J Clin Pharmacol 2017 05 18;83(5):1126-1133. Epub 2017 Jan 18.

Faculty of Medicine, Department of Clinical Epidemiology, McGill University, Montreal, Quebec, Canada.

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http://dx.doi.org/10.1111/bcp.13194DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5401975PMC
May 2017

Hormonal and reproductive factors and the risk of ovarian cancer.

Cancer Causes Control 2017 May 19;28(5):393-403. Epub 2017 Jan 19.

Université de Montréal Hospital Research Centre (CRCHUM), 850 Saint-Denis Street, 2nd Floor, Montreal, QC, H2X 0A9, Canada.

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http://dx.doi.org/10.1007/s10552-016-0848-9DOI Listing
May 2017

Cohort Profile: The Saguenay Youth Study (SYS).

Int J Epidemiol 2017 04;46(2):e19

Department of Human Sciences, Université du Québec à Chicoutimi, Chicoutimi, QC, Canada.

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http://dx.doi.org/10.1093/ije/dyw023DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5837575PMC
April 2017

Physical activity and lung cancer risk in men and women.

Cancer Causes Control 2017 04 28;28(4):309-318. Epub 2017 Feb 28.

Department of Social and Preventive Medicine and CRCHUM (Centre de recherche du CHUM), Université de Montréal, 850 Saint-Denis Street, Montréal, QC, Canada.

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http://dx.doi.org/10.1007/s10552-017-0872-4DOI Listing
April 2017

Breaking the matching in nested case-control data offered several advantages for risk estimation.

J Clin Epidemiol 2017 Feb 5;82:79-86. Epub 2016 Dec 5.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, P.O. Box 281, SE-17177 Stockholm, Sweden.

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http://dx.doi.org/10.1016/j.jclinepi.2016.11.014DOI Listing
February 2017

Off-label indications for antidepressants in primary care: descriptive study of prescriptions from an indication based electronic prescribing system.

BMJ 2017 Feb 21;356:j603. Epub 2017 Feb 21.

Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montréal, Canada.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5320934PMC
http://dx.doi.org/10.1136/bmj.j603DOI Listing
February 2017

Life-Course Socioeconomic Position and Hippocampal Atrophy in a Prospective Cohort of Older Adults.

Psychosom Med 2017 01;79(1):14-23

From the Department of Epidemiology, Biostatistics, and Occupational Health (Elbejjani, Fuhrer, Abrahamowicz), McGill University, Montreal, Quebec, Canada; CNRS (Mazoyer, Crivello), GIN UMR5296, Bordeaux, France; CEA (Mazoyer, Crivello), GIN UMR5296, Bordeaux, France; University of Bordeaux (Mazoyer, Crivello, Tzourio, Dufouil), Bordeaux, France; and INSERM U897 and CIC-1401 (Tzourio, Dufouil), Bordeaux School of Public Health, Bordeaux, France.

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http://dx.doi.org/10.1097/PSY.0000000000000365DOI Listing
January 2017

Dietary Vitamin A and Visceral Adiposity: A Modulating Role of the Retinol-Binding Protein 4 Gene.

J Nutrigenet Nutrigenomics 2015 15;8(4-6):164-73. Epub 2015 Dec 15.

Departments of Physiology and Nutritional Sciences, The Hospital for Sick Children, Toronto, Ont., Canada.

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http://dx.doi.org/10.1159/000442090DOI Listing
December 2016

Prevalence of Cancer in Adults With Congenital Heart Disease Compared With the General Population.

Am J Cardiol 2016 Dec 31;118(11):1742-1750. Epub 2016 Aug 31.

McGill Adult Unit for Congenital Heart Disease Excellence, McGill University, Montreal, Québec, Canada. Electronic address:

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http://dx.doi.org/10.1016/j.amjcard.2016.08.057DOI Listing
December 2016

Martingale residual-based method to control for confounders measured only in a validation sample in time-to-event analysis.

Stat Med 2016 11 16;35(25):4588-4606. Epub 2016 Jun 16.

Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec, H3A 1A1, Canada.

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http://dx.doi.org/10.1002/sim.7012DOI Listing
November 2016

Bridging the etiologic and prognostic outlooks in individualized assessment of absolute risk of an illness: application in lung cancer.

Eur J Epidemiol 2016 11 11;31(11):1091-1099. Epub 2016 Jul 11.

Department of Social and Preventive Medicine, School of Public Health, University of Montreal, Montreal, QC, Canada.

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http://dx.doi.org/10.1007/s10654-016-0180-4DOI Listing
November 2016

Glycerophosphocholine Metabolites and Cardiovascular Disease Risk Factors in Adolescents: A Cohort Study.

Circulation 2016 Nov 18;134(21):1629-1636. Epub 2016 Oct 18.

From Hospital for Sick Children, University of Toronto, Canada (C.S., S.C., J.S., L.S., Z.P.); Departments of Physiology and Nutritional Sciences, University of Toronto, Canada (C.S., S.C., J.S., Z.P.); Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Canada (M.A.); Montreal Neurological Institute, McGill University, Canada (G.L.); Department of Human Sciences, Université du Québec à Chicoutimi, Canada (M.P., S.V.); Department of Health Sciences Université du Québec à Chicoutimi, Canada (L.R.); Community Genomic Centre, Université de Montréal, Chicoutimi, Canada (D.G.); Neural Regeneration Laboratory, Ottawa Institute of Systems Biology, University of Ottawa, Canada (Y.W., H.X., G.T., S.B.); Rotman Research Institute, Baycrest, Toronto, Canada (T.P.); and Departments of Psychology and Psychiatry, University of Toronto, Canada (T.P.).

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https://www.ahajournals.org/doi/10.1161/CIRCULATIONAHA.116.0
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http://dx.doi.org/10.1161/CIRCULATIONAHA.116.022993DOI Listing
November 2016

Validation of the alternating conditional estimation algorithm for estimation of flexible extensions of Cox's proportional hazards model with nonlinear constraints on the parameters.

Biom J 2016 Nov 23;58(6):1445-1464. Epub 2016 Aug 23.

Department of Epidemiology and Biostatistics, McGill University, Montreal, Quebec, H3A 1A2, Canada.

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http://dx.doi.org/10.1002/bimj.201500035DOI Listing
November 2016

Erratum to: Bridging the etiologic and prognostic outlooks in individualized assessment of absolute risk of an illness: application in lung cancer.

Eur J Epidemiol 2016 11;31(11):1153

Department of Social and Preventive Medicine, School of Public Health, University of Montreal, Montreal, QC, Canada.

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http://dx.doi.org/10.1007/s10654-016-0209-8DOI Listing
November 2016

Risk of Miscarriage in Women Receiving Antidepressants in Early Pregnancy, Correcting for Induced Abortions.

Epidemiology 2016 07;27(4):538-46

aDepartment of Epidemiology, Biostatistics and Occupational Health, and bDepartment of Obstetrics and Gynecology, McGill University, Montreal, Quebec, Canada.

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http://dx.doi.org/10.1097/EDE.0000000000000484DOI Listing
July 2016

Treatment Indications for Antidepressants Prescribed in Primary Care in Quebec, Canada, 2006-2015.

JAMA 2016 May 24-31;315(20):2230-2

Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, Canada.

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http://dx.doi.org/10.1001/jama.2016.3445DOI Listing
June 2016

The Longterm Effect of Early Intensive Treatment of Seniors with Rheumatoid Arthritis: A Comparison of 2 Population-based Cohort Studies on Time to Joint Replacement Surgery.

J Rheumatol 2016 05 15;43(5):861-8. Epub 2016 Feb 15.

From the Department of Epidemiology, Biostatistics and Occupational Health, McGill University; Division of Clinical Epidemiology, Research Institute of the McGill University Health Centre; École de Réadaptation, Université de Montréal, Montreal; Department of Medicine, Université de Sherbrooke, Sherbrooke; Division of Rheumatology, Department of Medicine, Centre de recherche du CHU de Québec, Université Laval, Quebec City, Quebec; Institute for Clinical Evaluative Sciences, University of Toronto; Institute of Health Policy, Management and Evaluation; Division of Rheumatology, University of Toronto, Toronto; Department of Family Medicine, McMaster University, Hamilton, Ontario; Division of Rheumatology, Departments of Medicine and Pathology, Dalhousie University, Halifax, Nova Scotia, Canada.J. Widdifield, PhD, Department of Epidemiology, Biostatistics and Occupational Health, McGill University, and Division of Clinical Epidemiology, Research Institute of the McGill University Health Centre, and Institute for Clinical Evaluative Sciences; C.S. Moura, PhD, Department of Epidemiology, Biostatistics and Occupational Health, McGill University, and Division of Clinical Epidemiology, Research Institute of the McGill University Health Centre; Y. Wang, PhD(c), Department of Epidemiology, Biostatistics and Occupational Health, McGill University; M. Abrahamowicz, PhD, Department of Epidemiology, Biostatistics and Occupational Health, McGill University; J.M. Paterson, MSc, Institute for Clinical Evaluative Sciences, and University of Toronto, Institute of Health Policy, Management and Evaluation, and Department of Family Medicine, McMaster University; A. Huang, MSc, Institute for Clinical Evaluative Sciences; M.E. Beauchamp, PhD, Division of Clinical Epidemiology, Research Institute of the McGill University Health Centre; G. Boire, MD, FRCPC, MSc, Department of Medicine, Université de Sherbrooke; P.R. Fortin, MD, FRCPC, MPH, Division of Rheumatology, Department of Medic

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http://dx.doi.org/10.3899/jrheum.151156DOI Listing
May 2016

Conditions for confounding of interactions.

Pharmacoepidemiol Drug Saf 2016 Mar 16;25(3):287-96. Epub 2015 Dec 16.

Division of Population Health, CRCHUM Research Center, Montreal, Quebec, Canada.

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http://dx.doi.org/10.1002/pds.3924DOI Listing
March 2016

The missing cause approach to unmeasured confounding in pharmacoepidemiology.

Stat Med 2016 Mar 14;35(7):1001-16. Epub 2016 Jan 14.

Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, QC, Canada.

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http://dx.doi.org/10.1002/sim.6818DOI Listing
March 2016

Flexible estimation of survival curves conditional on non-linear and time-dependent predictor effects.

Stat Med 2016 Feb 6;35(4):553-65. Epub 2015 Nov 6.

Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec, Canada.

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February 2016

The proportion of all previous patients was a potential instrument for patients' actual prescriptions of nonsteroidal anti-inflammatory drugs.

J Clin Epidemiol 2016 Jan 2;69:96-106. Epub 2015 Sep 2.

Leibniz Institute for Prevention Research and Epidemiology-BIPS, Department Biometry and Data Management, Achterstr. 30, Bremen 28359, Germany; Faculty of Mathematics and Computer Science, University of Bremen, Bibliothekstraße 1, Bremen 28359, Germany.

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http://dx.doi.org/10.1016/j.jclinepi.2015.08.008DOI Listing
January 2016

Comparison of the Effect of Thiazide Diuretics and Other Antihypertensive Drugs on Central Blood Pressure: Cross-Sectional Analysis Among Nondiabetic Patients.

J Clin Hypertens (Greenwich) 2015 Nov 20;17(11):848-54. Epub 2015 Jul 20.

Division of Clinical Epidemiology, McGill University, Montreal, QC, Canada.

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http://dx.doi.org/10.1111/jch.12622DOI Listing
November 2015

Multiattribute health utility scoring for the computerized adaptive measure CAT-5D-QOL was developed and validated.

J Clin Epidemiol 2015 Oct 14;68(10):1213-20.e1-6. Epub 2015 Apr 14.

Arthritis Research Canada, 5591 No. 3 Road, Richmond, British Columbia, Canada V6X 2C7; Department of Medicine, University of British Columbia, 1200 Burrard Street, Vancouver, British Columbia Canada V6Z 2C7.

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http://dx.doi.org/10.1016/j.jclinepi.2015.03.020DOI Listing
October 2015

Incomplete Modeling of the Effect of Antiretroviral Therapy on the Risk of Cardiovascular Events.

Clin Infect Dis 2015 Oct 29;61(7):1206-7. Epub 2015 Jun 29.

Basel Institute for Clinical Epidemiology and Biostatistics, University Hospital Basel, Switzerland Division of Infectious Diseases and Hospital Epidemiology, University Hospital Basel, Switzerland.

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http://dx.doi.org/10.1093/cid/civ515DOI Listing
October 2015

Effect of Cumulating Exposure to Abacavir on the Risk of Cardiovascular Disease Events in Patients From the Swiss HIV Cohort Study.

J Acquir Immune Defic Syndr 2015 Aug;69(4):413-21

*Basel Institute for Clinical Epidemiology and Biostatistics, University Hospital Basel, Basel, Switzerland; †Analysis Group Inc, Montreal, QC, Canada; ‡Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, QC, Canada; §Department of Medicine, Royal Victoria Hospital, McGill University Health Centre, Montreal, QC, Canada; ‖Division of Infectious Diseases, Regional Hospital of Lugano, Lugano, Switzerland; ¶Division of Infectious Diseases and Hospital Epidemiology, Cantonal Hospital St. Gallen, St. Gallen, Switzerland; #Division of Infectious Diseases, University Hospital Geneva, Geneva, Switzerland; **Division of Infectious Diseases, University Hospital Lausanne, Lausanne, Switzerland; ††Department of Infectious Diseases, Bern University Hospital and University of Bern, Bern, Switzerland; ‡‡Division of Infectious Diseases and Hospital Epidemiology, University Hospital and University of Zürich, Zürich, Switzerland; and §§Division of Infectious Diseases and Hospital Epidemiology, University Hospital Basel, Basel, Switzerland.

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http://dx.doi.org/10.1097/QAI.0000000000000662DOI Listing
August 2015

Multi-state relative survival modelling of colorectal cancer progression and mortality.

Cancer Epidemiol 2015 Jun 25;39(3):447-55. Epub 2015 Mar 25.

Teaching Hospital, Department of Biostatistics and Medical Informatics (DIM), Dijon F-21000, France; INSERM, CIC 1432, Dijon, France Dijon University Hospital, Clinical Investigation Center, Clinical Epidemiology/Clinical Trials Unit, Dijon, France. Electronic address:

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http://dx.doi.org/10.1016/j.canep.2015.03.005DOI Listing
June 2015

Antidepressant therapy in cancer patients: initiation and factors associated with treatment.

Pharmacoepidemiol Drug Saf 2015 Jun 8;24(6):600-9. Epub 2015 Apr 8.

Sydney Medical School, University of Sydney, Sydney, NSW, Australia.

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http://dx.doi.org/10.1002/pds.3753DOI Listing
June 2015

Improving patient safety by optimizing the use of nursing human resources.

Implement Sci 2015 Jun 14;10:89. Epub 2015 Jun 14.

Department of Epidemiology, Biostatics and Occupational Health, Faculty of Medicine, McGill University, Purvis Hall, 1020 Pine Avenue West, Montreal, Quebec, H3A 1A2, Canada.

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http://dx.doi.org/10.1186/s13012-015-0278-1DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4465738PMC
June 2015

The impact of exposure model misspecification on signal detection in prospective pharmacovigilance.

Pharmacoepidemiol Drug Saf 2015 May 4;24(5):456-67. Epub 2014 Sep 4.

Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montréal, Québec, Canada.

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http://dx.doi.org/10.1002/pds.3700DOI Listing
May 2015

A cluster-randomized trial to reduce cesarean delivery rates in Quebec.

N Engl J Med 2015 Apr;372(18):1710-21

From the Department of Obstetrics and Gynecology, Centre Hospitalier Universitaire (CHU) de Sherbrooke, Sherbrooke, QC (N.C., J.-C.P., E.D., W.D.F.), Department of Epidemiology and Biostatistics, McGill University (M.A., R.B.), Department of Obstetrics and Gynecology, University of Montreal, Centre Hospitalier Universitaire Sainte-Justine (F.A.), Department of Obstetrics and Gynecology, McGill University, Royal Victoria Hospital (P.M.), and Department of Obstetrics and Gynecology, McGill University, Jewish Hospital (H.A.A.), Montreal, and the Population Health and Optimal Health Practices Research Unit, CHU de Québec Research Centre, Quebec, QC (M.D.) - all in Canada; and the Research Institute for Development, Université Paris Descartes, Sorbonne Paris Cité, UMR 216, Paris (A.D.).

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April 2015

Flexible modeling of disease activity measures improved prognosis of disability progression in relapsing-remitting multiple sclerosis.

J Clin Epidemiol 2015 Mar 24;68(3):307-16. Epub 2014 Nov 24.

INSERM, CIC 1432, 21000 Dijon, France; Clinical Investigation Center, Dijon University Hospital, Clinical Epidemiology/Clinical Trials Unit, Dijon, France; Department of Neurology, Centre Hospitalier Universitaire de Dijon, BP 77908, 21079 Dijon Cedex, France; Department of Biostatistics and Medical Informatics, Centre Hospitalier Universitaire de Dijon, BP 77908, 21079 Dijon Cedex, France. Electronic address:

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http://dx.doi.org/10.1016/j.jclinepi.2014.11.011DOI Listing
March 2015

STRengthening analytical thinking for observational studies: the STRATOS initiative.

Stat Med 2014 Dec 30;33(30):5413-32. Epub 2014 Jul 30.

Center for Medical Biometry and Medical Informatics, Medical Center - University of Freiburg.

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http://dx.doi.org/10.1002/sim.6265DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4320765PMC
December 2014

Impact of the model-building strategy on inference about nonlinear and time-dependent covariate effects in survival analysis.

Stat Med 2014 Aug 22;33(19):3318-37. Epub 2014 Apr 22.

Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec, Canada.

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http://doi.wiley.com/10.1002/sim.6178
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August 2014

Brain tumours and cigarette smoking: analysis of the INTERPHONE Canada case-control study.

Environ Health 2014 Jun 27;13:55. Epub 2014 Jun 27.

Centre de Recherche, Centre hospitalier de l'Université de Montréal (CHUM), Montréal, Québec, Canada.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4088305PMC
June 2014

Specialized adult congenital heart disease care: the impact of policy on mortality.

Circulation 2014 May 3;129(18):1804-12. Epub 2014 Mar 3.

McGill Adult Unit for Congenital Heart Disease, McGill University Health Centre, Montreal, Canada (D.M., R.I.-I., J.T., A.M.); Department of Epidemiology & Biostatistics, McGill University, Montreal, Canada (L.P., M.A.); Division of General Internal Medicine, Department of Medicine, McGill University, Montreal, Canada (L.P.); Division of Clinical Epidemiology, Research Institute McGill University Health Center, Montreal, Canada (L.P., M.A.); Department of Cardiology, Montreal Heart Institute, Université de Montréal, Montreal, Canada (P.K.); and Stollery Children's Hospital and University of Alberta, Edmonton, Alberta, Canada (A.S.M.).

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http://dx.doi.org/10.1161/CIRCULATIONAHA.113.005817DOI Listing
May 2014

Gestational age-dependent risk factors for preterm birth: associations with maternal education and age early in gestation.

Eur J Obstet Gynecol Reprod Biol 2014 May 2;176:132-6. Epub 2014 Mar 2.

Institut national de santé publique du Québec, Montréal, Canada; Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montréal, Canada.

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http://dx.doi.org/10.1016/j.ejogrb.2014.02.035DOI Listing
May 2014

Sustained drug use changes after hepatitis C screening and counseling among recently infected persons who inject drugs: a longitudinal study.

Clin Infect Dis 2014 Mar 20;58(6):755-61. Epub 2013 Dec 20.

Research Center, Centre Hospitalier de l'Université de Montréal.

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http://dx.doi.org/10.1093/cid/cit938DOI Listing
March 2014

Ophthalmic outcomes of congenital toxoplasmosis followed until adolescence.

Pediatrics 2014 Mar 17;133(3):e601-8. Epub 2014 Feb 17.

Hospices Civils de Lyon, Institut de Parasitologie et de Mycologie Médicale, Hôpital de la Croix-Rousse, Lyon, France;

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http://dx.doi.org/10.1542/peds.2013-2153DOI Listing
March 2014

Predicting in-hospital maternal mortality in Senegal and Mali.

PLoS One 2013 30;8(5):e64157. Epub 2013 May 30.

Laboratoire d'Etudes et de Recherches en Statistiques et Développement, Université Gaston Berger, Saint-Louis, Sénégal.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3667861PMC
January 2014

Development of a paper-and-pencil semi-adaptive questionnaire for 5 domains of health-related quality of life (PAT-5D-QOL).

Qual Life Res 2013 Dec 8;22(10):2829-42. Epub 2013 May 8.

School of Population and Public Health, University of British Columbia, Vancouver, BC, Canada,

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http://dx.doi.org/10.1007/s11136-013-0419-4DOI Listing
December 2013

Evidence of subgroup-specific treatment effect in the absence of an overall effect: is there really a contradiction?

Pharmacoepidemiol Drug Saf 2013 Nov 13;22(11):1178-88. Epub 2013 Aug 13.

Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, QC, Canada; Division of Clinical Epidemiology, McGill University Health Centre, Montreal, QC, Canada.

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http://dx.doi.org/10.1002/pds.3485DOI Listing
November 2013

Profile of the risk of death after septic shock in the present era: an epidemiologic study.

Crit Care Med 2013 Nov;41(11):2600-9

1Service de réanimation médicale, Centre Hospitalier Universitaire, Dijon, France. 2CHU de Dijon, Centre d'Investigation Clinique-Epidémiologie Clinique/Essais Cliniques, Dijon, France. 3Service de réanimation polyvalente, Centre Hospitalier, Haguenau, France. 4Service de réanimation Médicale, Centre Hospitalier Universitaire Hôpital Civil, Strasbourg, France. 5Service de réanimation médicale, Centre Hospitalier Universitaire, Besançon, France. 6Service de réanimation médicale, Centre Hospitalier Universitaire Hautepierre, Strasbourg, France. 7Service de réanimation médicale, Centre Hospitalier Universitaire Hôpital Central, Nancy, France. 8Service de réanimation médicale, Centre Hospitalier Universitaire, Reims, France. 9Service de réanimation polyvalente, Centre Hospitalier, Metz, France. 10Service de réanimation médicale, Centre Hospitalier Universitaire Brabois, Nancy, France. 11Service de réanimation médicale, Centre Hospitalier, Mulhouse, France. 12Service de réanimation médicale, Centre Hospitalier, Vesoul, France. 13Service de réanimation polyvalente, Centre Hospitalier, Belfort, France. 14Service de réanimation polyvalente, Centre Hospitalier, Montbéliard, France. 15Service de réanimation polyvalente, Centre Hospitalier, Colmar, France. 16Institut National de la Santé et de la Recherche Médicale, U866, Dijon, France. 17Service de Biostatistique et d'Informatique Médicale (DIM), Centre Hospitalier Universitaire, Dijon, France. 18Department of Epidemiology and Biostatistics, McGill University, Montreal, Quebec, Canada. 19Université de l'Océan Indien, St. Denis, Ile de la Réunion, France.

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November 2013

Patterns of health services use prior to a first diagnosis of psychosis: the importance of primary care.

Soc Psychiatry Psychiatr Epidemiol 2013 Sep 21;48(9):1389-98. Epub 2013 Feb 21.

Department of Epidemiology, Biostatistics and Occupational Health, McGill University, 1020 Pine Avenue West, Montréal, QC, H3A 1A2, Canada.

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http://dx.doi.org/10.1007/s00127-013-0665-3DOI Listing
September 2013

Quality of care, risk management, and technology in obstetrics to reduce hospital-based maternal mortality in Senegal and Mali (QUARITE): a cluster-randomised trial.

Lancet 2013 Jul 28;382(9887):146-57. Epub 2013 May 28.

Research Institute for Development, Université Paris Descartes, Sorbonne Paris Cité, UMR 216, Paris, France.

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http://dx.doi.org/10.1016/S0140-6736(13)60593-0DOI Listing
July 2013

Predictors of pain for patients with early inflammatory polyarthritis.

Arthritis Care Res (Hoboken) 2013 Jun;65(6):992-9

McGill University, Montreal, Quebec, Canada.

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http://dx.doi.org/10.1002/acr.21923DOI Listing
June 2013

A prediction score for maternal mortality in Senegal and Mali.

Obstet Gynecol 2013 May;121(5):1049-56

International Health Unit, Centre de Recherche du Centre Hospitalier de l'Université de Montréal, Montreal, Quebec, Canada.

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http://dx.doi.org/10.1097/AOG.0b013e31828b33a4DOI Listing
May 2013