We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleFundamental problem with opioid trials for chronic pain.AuthorsMehta, TusharPublicationCanadian Medical Association Journal (CMAJ), 2007, Vol 176, Issue 9, p1307ISSN0820-3946Publication typearticleDOI10.1503/cmaj.1060140