We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePlacebo-controlled trials and active-control trials in the evaluation of new treatments. Part 2: practical issues and specific cases.AuthorsEllenberg SS; Temple RPublicationAnnals of internal medicine, 2000, Vol 133, Issue 6, p464ISSN0003-4819Publication typearticleDOI10.7326/0003-4819-133-6-200009190-00015