Journal of Clinical Epidemiology
Volume 63, Issue 10 , Pages 1082-1090, October 2010

Reported effects in randomized controlled trials were compared with those of nonrandomized trials in cholecystectomy

  • Dirk Müeller

      Affiliations

    • Institute for Research in Operative Medicine (IFOM), University Witten/Herdecke, Cologne, Germany
    • Department of Business Administration and Health Care Management, University of Cologne, Cologne, Germany
    • Corresponding Author InformationCorresponding author. Institute for Research in Operative Medicine, University Witten/Herdecke, Ostmerheimer Street 200, 51109 Cologne, Germany. Tel.: +49-0-221/989-57-0; fax: +49-221-98957-30.
    • ,
  • Stefan Sauerland

      Affiliations

    • Institute for Research in Operative Medicine (IFOM), University Witten/Herdecke, Cologne, Germany
    • ,
  • Edmund A.M. Neugebauer

      Affiliations

    • Institute for Research in Operative Medicine (IFOM), University Witten/Herdecke, Cologne, Germany
    • ,
  • Marc Immenroth

      Affiliations

    • Ethicon Endo-Surgery (Europe) GmbH, Norderstedt, Germany

Accepted 14 December 2009. published online 26 March 2010.

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PII: S0895-4356(10)00020-X

doi:10.1016/j.jclinepi.2009.12.009

Refers to erratum:

  • Erratum to “Reported effects in randomized controlled trials were compared with those of nonrandomized trials in cholecystectomy” [J Clin Epidemiol 2010;63:1082–90]

    Dirk Müller, Stefan Sauerland, Edmund A.M. Neugebauer, Marc Immenroth
    Journal of Clinical Epidemiology September 2011 (Vol. 64, Issue 9, Page 1049)

Journal of Clinical Epidemiology
Volume 63, Issue 10 , Pages 1082-1090, October 2010

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