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    BMJ. 1999 Jun 5;318(7197):1548-51.

    Numbers needed to treat derived from meta-analyses--sometimes informative, usually misleading.

    Source

    Department of Primary Care and Population Sciences, Royal Free and University College Medical School, University College London, London NW3 2PF.

    PMID:
    10356018
    [PubMed - indexed for MEDLINE]
    PMCID:
    PMC1115910
    Free PMC Article

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