Michael Bottlang

Michael Bottlang

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Michael Bottlang

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Evaluation of a novel bicycle helmet concept in oblique impact testing.

Accid Anal Prev 2019 Jan 8;124:58-65. Epub 2019 Jan 8.

Biomechanics Laboratory, Legacy Research Institute, Portland, OR, 97232, United States. Electronic address:

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https://linkinghub.elsevier.com/retrieve/pii/S00014575183037
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http://dx.doi.org/10.1016/j.aap.2018.12.017DOI Listing
January 2019

Biomechanics-Hot Topics Part I.

J Orthop Trauma 2018 Mar;32 Suppl 1:S17-S20

Department of Surgery, St. Michael's Hospital, Toronto, ON, Canada.

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http://dx.doi.org/10.1097/BOT.0000000000001123DOI Listing
March 2018

Comparison of 4 Methods for Dynamization of Locking Plates: Differences in the Amount and Type of Fracture Motion.

J Orthop Trauma 2017 Oct;31(10):531-537

1Biomechanics Laboratory, Legacy Research Institute, Portland, Oregon 2Slocum Orthopaedics, Eugene, Oregon 3Dept. of Orthopaedics and Rehabilitation, University of Iowa Hospital and Clinics, Iowa City.

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http://dx.doi.org/10.1097/BOT.0000000000000879DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5603978PMC
October 2017

Dynamic Stabilization of Simple Fractures With Active Plates Delivers Stronger Healing Than Conventional Compression Plating.

J Orthop Trauma 2017 Feb;31(2):71-77

*Portland Biomechanics Laboratory, Legacy Research Institute, Portland, OR; †Musculoskeletal Research Unit, Vetsuisse Faculty, University of Zürich, Zürich, Switzerland; ‡Institute of Biomechanics, Paracelsus Medical University, Salzburg, Austria; §Institute of Biomechanics, Trauma Center Murnau, Murnau, Germany; and ‖Slocum Center for Orthopedics and Sports Medicine, Eugene, OR.

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http://dx.doi.org/10.1097/BOT.0000000000000732DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5266419PMC
February 2017

Treating Tibia Fractures With Far Cortical Locking Implants.

Am J Orthop (Belle Mead NJ) 2016 Mar-Apr;45(3):E143-7

University of Utah Orthopaedic Center, Salt Lake City, UT.

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August 2016

Biomechanical Concepts for Fracture Fixation.

J Orthop Trauma 2015 Dec;29 Suppl 12:S28-33

*Portland Biomechanics Laboratory, Legacy Research Institute, Portland, OR; †Division of Orthopaedic Surgery, Department of Surgery, St. Michael's Hospital, Toronto, ON, Canada; ‡Division of Orthopaedic Surgery, St. Michael's Hospital, University of Toronto, Toronto, ON, Canada; §Department of Orthopedic Surgery and Sports Medicine, University of Texas Health Science Center at Houston, Houston, TX; ‖NYU Hospital for Joint Diseases, Department of Orthopaedic Surgery, New York, NY; ¶Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON, Canada; and **University of Toronto, Toronto, ON, Canada.

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http://dx.doi.org/10.1097/BOT.0000000000000467DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4654707PMC
December 2015

Dynamic locking plates provide symmetric axial dynamization to stimulate fracture healing.

J Orthop Res 2015 Aug 21;33(8):1218-25. Epub 2015 May 21.

Biomechanics Laboratory, Legacy Research & Technology Center, Portland, 97232, Oregon.

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http://dx.doi.org/10.1002/jor.22881DOI Listing
August 2015

Elastically suspending the screw holes of a locked osteosynthesis plate can dampen impact loads.

J Appl Biomech 2015 Jun 2;31(3):164-9. Epub 2015 Feb 2.

Biomechanics Laboratory, Legacy Research Institute, Portland, OR.

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http://dx.doi.org/10.1123/jab.2014-0193DOI Listing
June 2015

The bottleneck of evidence-based fracture care.

Injury 2014 Jun;45 Suppl 2:S1-2

Institute of Biomechanics, Trauma Center Murnau, Prof.-Kuentscher-Str. 8, 82418 Murnau, Germany; Institute of Biomechanics, Paracelsus Medical University Salzburg, Strubergasse 21, Salzburg, Austria. Electronic address:

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http://dx.doi.org/10.1016/j.injury.2014.04.001DOI Listing
June 2014

Dynamic fixation of distal femur fractures using far cortical locking screws: a prospective observational study.

J Orthop Trauma 2014 Apr;28(4):181-8

*Legacy Research Institute, Portland, OR; †Slocum Center for Orthopedics, Eugene, OR; and ‡University of Utah Orthopaedic Center, Salt Lake City, UT.

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http://dx.doi.org/10.1097/01.bot.0000438368.44077.04DOI Listing
April 2014

Angular Impact Mitigation system for bicycle helmets to reduce head acceleration and risk of traumatic brain injury.

Accid Anal Prev 2013 Oct 25;59:109-17. Epub 2013 May 25.

Biomechanics Laboratory, Legacy Research Institute, Portland, OR 97232, United States.

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http://dx.doi.org/10.1016/j.aap.2013.05.019DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3769450PMC
October 2013

Surgical stabilization of flail chest injuries with MatrixRIB implants: a prospective observational study.

Injury 2013 Feb 19;44(2):232-8. Epub 2012 Aug 19.

Legacy Research Institute, 1225 NE 2nd Ave, Portland, OR 97232, United States.

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http://dx.doi.org/10.1016/j.injury.2012.08.011DOI Listing
February 2013

Biomechanical changes in the sclera of monkey eyes exposed to chronic IOP elevations.

Invest Ophthalmol Vis Sci 2011 Jul 29;52(8):5656-69. Epub 2011 Jul 29.

Ocular Biomechanics Laboratory, Devers Eye Institute, Portland, Oregon 97232, USA.

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http://iovs.arvojournals.org/article.aspx?doi=10.1167/iovs.1
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http://dx.doi.org/10.1167/iovs.10-6927DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3176060PMC
July 2011

Biplanar fixation of a locking plate in the diaphysis improves construct strength.

Clin Biomech (Bristol, Avon) 2011 Jun 8;26(5):484-90. Epub 2011 Jan 8.

Department of Orthopaedics and Rehabilitation, Oregon Health & Science University, Portland, OR 97232, USA.

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http://dx.doi.org/10.1016/j.clinbiomech.2010.12.005DOI Listing
June 2011

2010 mid-America Orthopaedic Association Physician in Training Award: healing complications are common after locked plating for distal femur fractures.

Clin Orthop Relat Res 2011 Jun 22;469(6):1757-65. Epub 2011 Mar 22.

Department of Orthopaedic Surgery, University of Iowa Hospitals and Clinics, 200 Hawkins Drive, Iowa City, IA 52242, USA.

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http://dx.doi.org/10.1007/s11999-011-1870-6DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3094618PMC
June 2011

Stabilization of distal femur fractures with intramedullary nails and locking plates: differences in callus formation.

Iowa Orthop J 2010 ;30:61-8

Orthopaedics and Rehabilitation, University of Iowa Hospital and Clinics, Iowa City, IA 52242, USA.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2958272PMC
February 2011

Flexible fixation with locking plates.

J Orthop Trauma 2011 Feb;25 Suppl 1:S1-3

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http://dx.doi.org/10.1097/BOT.0b013e3182079ef4DOI Listing
February 2011

Biomechanics of far cortical locking.

J Orthop Trauma 2011 Feb;25 Suppl 1:S21-8

Biomechanics Laboratory, Legacy Research & Technology Center, Portland, OR, USA.

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http://content.wkhealth.com/linkback/openurl?sid=WKPTLP:land
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http://dx.doi.org/10.1097/BOT.0b013e318207885bDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3062510PMC
February 2011

Far cortical locking enables flexible fixation with periarticular locking plates.

J Orthop Trauma 2011 Feb;25 Suppl 1:S29-34

Biomechanics Laboratory, Legacy Research & Technology Center, Portland, OR, USA.

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http://dx.doi.org/10.1097/BOT.0b013e3182070cdaDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3057092PMC
February 2011

Less-invasive stabilization of rib fractures by intramedullary fixation: a biomechanical evaluation.

J Trauma 2010 May;68(5):1218-24

Biomechanics Laboratory, Legacy Research and Technology Center, Portland, Oregon 97232, USA.

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http://dx.doi.org/10.1097/TA.0b013e3181bb9df1DOI Listing
May 2010

A computational technique to measure fracture callus in radiographs.

J Biomech 2010 Mar 14;43(4):792-5. Epub 2009 Nov 14.

Biomechanics Laboratory, Legacy Research and Technology Center, Portland, OR 97232, USA.

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http://dx.doi.org/10.1016/j.jbiomech.2009.10.013DOI Listing
March 2010

Anatomically contoured plates for fixation of rib fractures.

J Trauma 2010 Mar;68(3):611-5

Legacy Biomechanics Laboratory, Portland, Oregon, USA.

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https://insights.ovid.com/crossref?an=00005373-201003000-000
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http://dx.doi.org/10.1097/TA.0b013e3181a5b260DOI Listing
March 2010

Locked plating of distal femur fractures leads to inconsistent and asymmetric callus formation.

J Orthop Trauma 2010 Mar;24(3):156-62

Biomechanics Laboratory, Legacy Research & Technology Center, Portland, OR 97215, USA.

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https://insights.ovid.com/crossref?an=00005131-201003000-000
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http://dx.doi.org/10.1097/BOT.0b013e3181be6720DOI Listing
March 2010

Displacement after simulated pelvic ring injuries: a cadaveric model of recoil.

J Trauma 2010 Jan;68(1):159-65

Department of Orthopaedic Surgery, Washington University School of Medicine, 660 S. Euclid Ave, Campus Box 8233, St. Louis, MO 63110, USA.

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http://dx.doi.org/10.1097/TA.0b013e31819adae2DOI Listing
January 2010

Scleral biomechanics in the aging monkey eye.

Invest Ophthalmol Vis Sci 2009 Nov 3;50(11):5226-37. Epub 2009 Jun 3.

Ocular Biomechanics Laboratory, Devers Eye Institute, Portland, Oregon 97232, USA.

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http://iovs.arvojournals.org/article.aspx?doi=10.1167/iovs.0
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http://dx.doi.org/10.1167/iovs.08-3363DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2883469PMC
November 2009

Evaluation of intramedullary rib splints for less-invasive stabilisation of rib fractures.

Injury 2009 Oct 1;40(10):1104-10. Epub 2009 Jul 1.

Biomechanics Laboratory, Legacy Research & Technology Centre, Portland, OR 97232, USA.

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http://www.biomechresearch.org/PDF/Helzel%20Evaluation%20of%
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http://linkinghub.elsevier.com/retrieve/pii/S002013830900300
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http://dx.doi.org/10.1016/j.injury.2009.06.004DOI Listing
October 2009

Far cortical locking can reduce stiffness of locked plating constructs while retaining construct strength.

J Bone Joint Surg Am 2009 Aug;91(8):1985-94

Legacy Biomechanics Laboratory, 1225 N.E. 2nd Avenue, Portland, OR 97215, USA.

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http://dx.doi.org/10.2106/JBJS.H.01038DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2714811PMC
August 2009

Peripapillary and posterior scleral mechanics--part II: experimental and inverse finite element characterization.

J Biomech Eng 2009 May;131(5):051012

Department of Biomedical Engineering, Tulane University, 6823 St. Charles Avenue, New Orleans, LA 70118, USA.

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http://dx.doi.org/10.1115/1.3113683DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2817992PMC
May 2009

Comparison of migration behavior between single and dual lag screw implants for intertrochanteric fracture fixation.

J Orthop Surg Res 2009 May 18;4:16. Epub 2009 May 18.

Department of Orthopaedic Surgery and Traumatology, University Of Crete, Heraklion, Greece.

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http://dx.doi.org/10.1186/1749-799X-4-16DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2698912PMC
May 2009

A nonlocking end screw can decrease fracture risk caused by locked plating in the osteoporotic diaphysis.

J Bone Joint Surg Am 2009 Mar;91(3):620-7

Legacy Biomechanics Laboratory, 1225 N.E. 2nd Avenue, Portland, OR 97215, USA.

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http://dx.doi.org/10.2106/JBJS.H.00408DOI Listing
March 2009

Relative stability of conventional and locked plating fixation in a model of the osteoporotic femoral diaphysis.

Clin Biomech (Bristol, Avon) 2009 Feb 12;24(2):203-9. Epub 2008 Dec 12.

Slocum Center for Orthopedics and Sports Medicine, 55 Coburg Rd, Eugene, OR 97408, USA.

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http://dx.doi.org/10.1016/j.clinbiomech.2008.11.002DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2653054PMC
February 2009

Acquisition of full-field strain distributions on ovine fracture callus cross-sections with electronic speckle pattern interferometry.

J Biomech 2008 ;41(3):701-5

Biomechanics Laboratory, Legacy Clinical Research and Technology Center, 1225 NE 2nd Avenue, Portland, OR 97232, USA.

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http://linkinghub.elsevier.com/retrieve/pii/S002192900700465
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http://dx.doi.org/10.1016/j.jbiomech.2007.10.024DOI Listing
June 2008

Modeling neural injury in organotypic cultures by application of inertia-driven shear strain.

J Neurotrauma 2007 Jun;24(6):1068-77

Biomechanics Laboratory, Legacy Research Center, Portland, Oregon 97232, USA.

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http://dx.doi.org/10.1089/neu.2006.3772DOI Listing
June 2007

Geometry of human ribs pertinent to orthopedic chest-wall reconstruction.

J Biomech 2007 10;40(6):1310-7. Epub 2006 Jul 10.

Biomechanics Laboratory, Legacy Research and Technology Center, 1225 NE 2nd Avenue, Portland, OR 97232, USA.

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http://dx.doi.org/10.1016/j.jbiomech.2006.05.017DOI Listing
May 2007

Femoral nailing through the trochanter: the reamer pathway indicates a helical nail shape.

J Orthop Trauma 2006 Nov-Dec;20(10):668-74

Legacy Biomechanics Laboratory, Portland, Oregon, USA.

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http://dx.doi.org/10.1097/01.bot.0000247073.79430.87DOI Listing
February 2007

Malrotation in total knee arthroplasty: effect on tibial cortex strain captured by laser-based strain acquisition.

Clin Biomech (Bristol, Avon) 2006 Jul 22;21(6):603-9. Epub 2006 Mar 22.

STRYKER Europe, Department for Scientific Affairs, Florastrasse 13, 8800 Thalwil, Switzerland.

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http://dx.doi.org/10.1016/j.clinbiomech.2006.01.011DOI Listing
July 2006

A mobile-bearing knee prosthesis can reduce strain at the proximal tibia.

Clin Orthop Relat Res 2006 Jun;447:105-11

Biomechanics Laboratory, Legacy Research & Technology Center, Portland, OR 97232, USA.

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http://dx.doi.org/10.1097/01.blo.0000203463.27937.97DOI Listing
June 2006

Lag screws for hip fracture fixation: Evaluation of migration resistance under simulated walking.

J Orthop Res 2005 Nov 1;23(6):1329-35. Epub 2005 Jul 1.

Biomechanics Laboratory, Legacy Clinical Research and Technology Center, 1225 NE 2nd Ave., Portland, OR 97232, USA.

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http://dx.doi.org/10.1016/j.orthres.2005.05.002.1100230614DOI Listing
November 2005

Knee stability after articulated external fixation.

Am J Sports Med 2005 Nov 10;33(11):1735-41. Epub 2005 Aug 10.

Orthpedic Healthcare Northwest, Eugene, Oregon, USA.

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http://dx.doi.org/10.1177/0363546505275132DOI Listing
November 2005

Emergent stabilization of pelvic ring injuries by controlled circumferential compression: a clinical trial.

J Trauma 2005 Sep;59(3):659-64

Biomechanics Laboratory, Legacy Health System, Portland, OR 97232, USA.

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September 2005

Pelvic circumferential compression in the presence of soft-tissue injuries: a case report.

J Trauma 2005 Aug;59(2):470-2

Biomechanics Laboratory, Legacy Health System, Portland, Oregon 97232, USA.

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August 2005

Depth-dependent strain of patellofemoral articular cartilage in unconfined compression.

J Biomech 2005 Apr;38(4):667-72

Biomechanics Laboratory, Legacy Clinical Research & Technology Center, 1225 NE 2nd Avenue, Portland, OR 97232, USA.

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http://dx.doi.org/10.1016/j.jbiomech.2004.04.005DOI Listing
April 2005

Operative chest wall fixation with osteosynthesis plates.

J Trauma 2005 Jan;58(1):181-6

Clinical Research and Technology Center, Legacy Health System, Portland, Oregon 97212, USA.

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http://www.biomechresearch.org/PDF/Operative%20Chest%20Wall%
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January 2005

A laboratory model to evaluate cutout resistance of implants for pertrochanteric fracture fixation.

J Orthop Trauma 2004 Jul;18(6):361-8

Biomechanics Laboratory, Legacy Clinical Research & Technology Center, Portland, OR 97232, USA.

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http://www.biomechresearch.org/PDF/A%20Laboratory%20Model%20
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July 2004

Hinged external fixation of the knee: intrinsic factors influencing passive joint motion.

J Orthop Trauma 2004 Mar;18(3):163-9

Biomechanics Laboratory, Legacy Clinical Research & Technology Center, Portland, OR 97232, USA.

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March 2004

Introducing the pelvic sling. Pelvic fracture stabilization made simple.

JEMS 2003 Sep;28(9):84-93

Legacy Biomechanics Laboratory, Portland, OR, USA.

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September 2003

The pelvic fracture stabilization in the field.

Emerg Med Serv 2003 Sep;32(9):126-9

Legacy Biomechanics Laboratory, Clinical Research and Technology Center, Portland, OR, USA.

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September 2003

Emergent management of pelvic ring fractures with use of circumferential compression.

J Bone Joint Surg Am 2002 ;84-A Suppl 2:43-7

Biomechanics Laboratory, Legacy Health System, Legacy Clinical Research & Technology Center, Portland, OR 97232, USA.

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December 2002

Noninvasive reduction of open-book pelvic fractures by circumferential compression.

J Orthop Trauma 2002 Jul;16(6):367-73

Biomechanics Laboratory, Legacy Health System, and Oregon Health Sciences University, Portland, Oregon 97232, USA.

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July 2002

Stabilization of pelvic ring disruptions with a circumferential sheet.

J Trauma 2002 Jan;52(1):158-61

Department of Orthopaedic Surgery, Oregon Health Sciences University, Portland, Oregon, USA.

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January 2002

Development and Experimental Validation of a Fluid/Structure-Interaction Finite Element Model of a Vacuum-Driven Cell Culture Mechanostimulus System.

Comput Methods Biomech Biomed Engin 2000 ;3(1):65-78

Departments of Orthopaedic Surgery and Biomedical Engineering, University of Iowa, Iowa City IA 52242.

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http://dx.doi.org/10.1080/10255840008915254DOI Listing
January 2000