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Title
Good research practices for comparative effectiveness research: defining, reporting and interpreting nonrandomized studies of treatment effects using secondary data sources: the ISPOR Good Research Practices for Retrospective Database Analysis Task Force Report--Part I.
Authors
Berger ML; Mamdani M; Atkins D; Johnson ML
Publication
Value in health : the journal of the International Society for Pharmacoeconomics and Outcomes Research, 2009, Vol 12, Issue 8, p1044