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Design of trials should depend on whether new skills are required

BMJ 1996; 312 doi: (Published 09 March 1996) Cite this as: BMJ 1996;312:637
  1. A W Majeed,
  2. A G Johnson
  1. Lecturer in surgery Professor of surgery University of Sheffield, Department of Surgical and Anaesthetic Sciences, Royal Hampshire Hospital, Sheffield S10 2JF

    EDITOR,—We agree with Ian Russell1 that the randomised trial is the design of choice for evaluating surgical procedures; this view has been reinforced by others.2 Nevertheless, new surgical procedures should be studied in the context of the skills required to achieve them. If …

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