We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleUnderstanding controlled trials: Why are randomised controlled trials important?AuthorsSibbald, B.; Roland, M.PublicationBMJ, 1998, Vol 316, Issue 7126, p201ISSN0959-8138Publication typearticleDOI10.1136/bmj.316.7126.201