Allocation concealment in randomised trials: Defending atainst deciphering Kenneth F Schulz; David A Grimes The Lancet; Feb 16, 2002; 359, 9306; ProQuest Medical Library pg. 614 Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.