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    Eur J Epidemiol. 2008;23(12):761-5. Epub 2008 Nov 19.

    Appropriate epidemiologic methods as a prerequisite for valid study results.

    Source

    Institute of Clinical Epidemiology, Medical Faculty, Martin-Luther-University of Halle-Wittenberg, Halle, Germany. andreas.stang@medizin.uni-halle.de

    PMID:
    19016334
    [PubMed - indexed for MEDLINE]

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