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Re: Negative Control Outcomes and the Analysis of Standardized Mortality Ratios.

Abstract

Source DB: PubMed Journal: Epidemiology ISSN： 1044-3983 Impact factor: 4.822

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Authors: David B Richardson; Alexander P Keil; Eric J Tchetgen Tchetgen; Glinda S Cooper
Journal: Epidemiology Date: 2017-05 Impact factor: 4.822

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