Journal article
Common Pitfalls in the Conduct of Clinical Research
Abstract
Recently, paradigm shift from expert opinion towards evidence-based medicine has occurred encouraging physicians to base their treatment decisions on the best available research evidence. In the hierarchy of evidence randomized clinical trials (level 1 evidence) are considered of the highest quality (least biased) while non-randomized studies represent lower levels (levels 2-4). Several pitfalls in the design and conduct of clinical research …
Authors
Zlowodzki M; Jönsson A; Bhandari M
Journal
Medical Principles and Practice, Vol. 15, No. 1, pp. 1–8
Publisher
Karger Publishers
Publication Date
2006
DOI
10.1159/000089379
ISSN
1011-7571