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Provider and center effect in multicenter randomized controlled trials of surgical specialties: an analysis on

David J Biau1, Jens A Halm, Hamid Ahmadieh

  • 1Departement de Biostatistique et Informatique Médicale, Hôpital Saint-Louis, Paris, France. djmbiau@yahoo.fr

Annals of Surgery
|April 29, 2008
PubMed
Abstract

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