We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleAllocation concealment in randomised trials: defending against deciphering.AuthorsSchulz KF; Grimes DAPublicationLancet (London, England), 2002, Vol 359, Issue 9306, p614ISSN0140-6736Publication typearticleDOI10.1016/S0140-6736(02)07750-4