We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleBeyond the mega-trial: certainty and uncertaintyAuthorsHampton, J R; Skene, A MPublicationHeart, 1992, Vol 68, Issue 10, p352ISSN1355-6037Publication typearticleDOI10.1136/hrt.68.10.352