We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePowerful placebo: the dark side of the randomised controlled trial.AuthorsKaptchuk TJPublicationLancet (London, England), 1998, Vol 351, Issue 9117, p1722ISSN0140-6736Publication typearticleDOI10.1016/S0140-6736(97)10111-8