Substance use and sexual risk: a participant- and episode-level analysis among a cohort of men who have sex with men.

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@article{Colfax2004SubstanceUA, title={Substance use and sexual risk: a participant- and episode-level analysis among a cohort of men who have sex with men.}, author={Grant Nash Colfax and Eric Vittinghoff and Marla J. Husnik and David J. McKirnan and Susan P Buchbinder and Beryl A Koblin and Connie L Celum and M. A. Chesney and Yijian Huang and Kenneth H. Mayer and Sam Bozeman and Franklyn N. Judson and Kendall J. Bryant and Thomas J. Coates}, journal={American journal of epidemiology}, year={2004}, volume={159 10}, pages={1002-12} }