Statistics Notes: Concealing Treatment Allocation in Randomised Trials
Altman, Douglas G.
Schulz, Kenneth F.
BMJ: British Medical Journal 2001 August 25; 323(7310): 446-447
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Blinding and Exclusions After Allocation in Randomised Controlled Trials: Survey of Published Parallel Group Trials in Obstetrics and Gynaecology Schulz, Kenneth F.; Grimes, David A.; Altman, Douglas G.; Hayes, Richard J. (1996-03-23)