Letters

Quality of randomised controlled trials

BMJ 2004; 328 doi: https://doi.org/10.1136/bmj.328.7434.286-b (Published 29 January 2004) Cite this as: BMJ 2004;328:286

Quality of research may be worse than it appears

  1. Vasiliy V Vlassov, director (vlassov@cochrane.ru)
  1. Russian Branch, Nordic Centre, Cochrane Collaboration, PO Box 13, Moscow 109451, Russia

    EDITOR—del Giglio and Costa argue that the quality of randomised controlled trials may be better than assumed.1 Some articles do not present full details of the study they …

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