Journal of Clinical Epidemiology
Volume 57, Issue 6 , Pages 543-550 , June 2004

Blinding was judged more difficult to achieve and maintain in nonpharmacologic than pharmacologic trials

  • Isabelle Boutron

      Affiliations

    • INSERM EMI 03 57, Département d'Epidémiologie, Biostatistique et Recherche Clinique, Groupe Hospitalier Bichat-Claude Bernard, Assistance Publique-Hôpitaux de Paris, Faculté Xavier Bichat, Université Paris 7, 46 rue Henri Huchard, 75877 Paris, Cedex 18, France
    • Corresponding Author InformationCorresponding author. Tel.: 33-(0)1-40-25-62-51; fax: 33-(0)1-40.25.67.73.
    • ,
  • Florence Tubach

      Affiliations

    • INSERM EMI 03 57, Département d'Epidémiologie, Biostatistique et Recherche Clinique, Groupe Hospitalier Bichat-Claude Bernard, Assistance Publique-Hôpitaux de Paris, Faculté Xavier Bichat, Université Paris 7, 46 rue Henri Huchard, 75877 Paris, Cedex 18, France
    • ,
  • Bruno Giraudeau

      Affiliations

    • INSERM CIC 202, Faculté de Médecine, 2bis Bd Tonnellé, 37032 Tours, France
    • ,
  • Philippe Ravaud

      Affiliations

    • INSERM EMI 03 57, Département d'Epidémiologie, Biostatistique et Recherche Clinique, Groupe Hospitalier Bichat-Claude Bernard, Assistance Publique-Hôpitaux de Paris, Faculté Xavier Bichat, Université Paris 7, 46 rue Henri Huchard, 75877 Paris, Cedex 18, France

,Accepted 1 December 2003.

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PII: S0895-4356(04)00020-4

doi: 10.1016/j.jclinepi.2003.12.010

Journal of Clinical Epidemiology
Volume 57, Issue 6 , Pages 543-550 , June 2004

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