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    Health Serv Res. 2011 Apr;46(2):430-6. doi: 10.1111/j.1475-6773.2010.01232.x. Epub 2011 Jan 28.

    Commentary on Bryan Dowd's paper "separated at birth: statisticians, social scientists, and causality in health services research".

    Source

    Department of Health Care Policy, Harvard Medical School, Boston, MA 02115-5899, USA.

    Comment on

    PMID:
    21371029
    [PubMed - indexed for MEDLINE]
    PMCID:
    PMC3064912
    Free PMC Article

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