Science 2021 Feb;371(6530):663-665
Health Informatics J 2011 Mar;17(1):24-32
Aarhus University, Denmark.
The sharing and storage of scientific knowledge, information and data are today mainly in digitized form, which will become the predominant means of communicating scientific work in the future. One of the best-established formats is the open standard of PDF (Portable Document Format), which is renowned for its flexibility and stability. In this article, we expose a major flaw in the format with respect to the security of confidential information, such that even organizations responsible for safeguarding and setting the standards for data management were unintentionally revealing confidential patient data. Read More
Magn Reson Med 2011 Feb 21;65(2):422-31. Epub 2010 Sep 21.
Division of Radiological Physics, Department of Medical Radiology, University of Basel Hospital, Basel, Switzerland.
Conceptually, the only flaw in the standard steady-state free precession theory is the assumption of quasi-instantaneous radio-frequency pulses, and 10-20% signal deviations from theory are observed for common balanced steady-state free precession protocols. This discrepancy in the steady-state signal can be resolved by a simple T(2) substitution taking into account reduced transverse relaxation effects during finite radio-frequency excitation. However, finite radio-frequency effects may also affect the transient phase of balanced steady-state free precession, its contrast or its spin-echo nature and thereby have an adverse effect on common steady-state free precession magnetization preparation methods. Read More
J Clin Nurs 2007 Jul;16(7):1256-64
Nursing School of the Italian Navy, Taranto, and Chair of Allergology and Clinical Immunology, Medical Faculty and Nursing School, University of Bari, Bari, Italy.
Aim: We report on quantitative analysis of skin tests in patients undergoing Hymenoptera venom immunotherapy. The need for accuracy, coupled with a sound manual technique, in performing this procedure is emphasized. Involuntary errors may occur and pose serious problems with interpretation of results. Read More
J Parenter Sci Technol 1992 Jan-Feb;46(1):19-21
Filterite Division, Memtec America, Timonium, Maryland.
Filter manufacturers characterize a given filter type by a single acceptable maximum diffusive air flow level. A too high value is prudently rejected as signalling the possible presence of flaws. Values lower than the stipulated maximum are accepted. Read More