منابع مشابه
Trials and tribulations of systematic reviews and meta-analyses.
Systematic reviews can help practitioners keep abreast of the medical literature by summarizing large bodies of evidence and helping to explain differences among studies on the same question. A systematic review involves the application of scientific strategies, in ways that limit bias, to the assembly, critical appraisal, and synthesis of all relevant studies that address a specific clinical q...
متن کاملAmphetamine trials and tribulations.
BACKGROUND Laboratory experiments conducted since the 1940s show that amphetamine combined with task-relevant experience improves postbrain injury behavioral outcomes. Several small clinical trials evaluated the approach as a means of improving poststroke recovery. RESULTS In laboratory studies, the effect of amphetamine on recovery depends on the location and extent of brain injury, the dosi...
متن کاملFibrolase: Trials and Tribulations
Fibrolase is the fibrinolytic enzyme isolated from Agkistrodon contortrix contortrix (southern copperhead snake) venom. The enzyme was purified by a three-step HPLC procedure and was shown to be homogeneous by standard criteria including reverse phase HPLC, molecular sieve chromatography and SDS-PAGE. The purified enzyme is a zinc metalloproteinase containing one mole of zinc. It is composed of...
متن کاملTropical trials and tribulations.
Field trials are the cornerstone in the evaluation of new public health interventions in the developing world. There is a tendency to base the introduction of new public health measures on very few trials. This is understandable given the expense in terms of money and time in mounting these trials and the enthusiasm to do something about the persistently high mortality in many parts of the worl...
متن کاملPhaco emulsification: trials and tribulations
Many of the retinal cell types in both vertebrate and invertebrate eyes have already been investigated using these techniques. As is well known, this has resulted in the positive identification of the physiologic response of vertebrate photoreceptors and certain other retinal neurons. These results are among the most important in recent visual physiology. As interest in intracellular staining i...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Anaesthesia
سال: 2015
ISSN: 0003-2409
DOI: 10.1111/anae.13334