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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".

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  • 1Department of Health Care Policy, Harvard Medical School, Boston, MA 02115-5899, USA.
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