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A priori postulated and real power in cluster randomized trials: mind the gap

Lydia Guittet1, Bruno Giraudeau, Philippe Ravaud

  • 1Département d'Epidémiologie, Biostatistique et Recherche Clinique, Groupe Hospitalier Bichat-Claude Bernard (AP-HP) - Université Paris 7, Paris, France. lguittet@free.fr

BMC Medical Research Methodology
|August 20, 2005
PubMed
Abstract

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