Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleModifying the design of ongoing trials without unblinding.AuthorsGould, A. Lawrence; Shih, W. Joseph; Gould, A L; Shih, W JPublicationStatistics in Medicine, 1998, Vol 17, Issue 1, p89ISSN0277-6715Publication typejournal articleDOI10.1002/(SICI)1097-0258(19980115)17:1<89::AID-SIM730>3.0.CO;2-D