Can we rely on the best trial? A comparison of individual trials and systematic reviews.

BACKGROUND: The ideal evidence to answer a question about the effectiveness of treatment is a systematic review. However, for many clinical questions a systematic review will not be available, or may not be up to date. One option could be to use the evidence from an individual trial to answer the q...

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Những tác giả chính: Glasziou, P, Shepperd, S, Brassey, J
Định dạng: Journal article
Ngôn ngữ:English
Được phát hành: BioMed Central 2010