We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleBasic problems in controlled trials.AuthorsBurkhardt, R; Kienle, GPublicationJournal of Medical Ethics, 1983, Vol 9, Issue 2, p80ISSN0306-6800Publication typearticleDOI10.1136/jme.9.2.80