Minimizing bias due to confounding by indication in comparative effectiveness research: the importance of restriction.
作者信息
Psaty Bruce M, Siscovick David S
机构信息
Cardiovascular Health Research Unit, Department of Medicine, University of Washington, Seattle, WA 98177, USA.
出版信息
JAMA. 2010 Aug 25;304(8):897-8. doi: 10.1001/jama.2010.1205.
PMID:20736474
Abstract
摘要
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