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Concept of placebo should be discarded

BMJ 1995; 311 doi: (Published 16 December 1995) Cite this as: BMJ 1995;311:1640
  1. Peter C Gotzsche, Director Nordic Cochrane Centre, Rigshospitalet
  1. DK-2100 Copenhagen, Denmark

    EDITOR,--E Ernst and K L Resch state that the true placebo effect can be measured in trials that compare an untreated group with a placebo group.1 They assume that non-specific effects other than the true placebo effect produce the same response in the two arms of a trial. …

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