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

Isabelle Boutron1, Florence Tubach, Bruno Giraudeau

  • 1INSERM 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, France. isabelle.boutron@bch.ap-hop-paris.fr

Abstract

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