S. Schwarcz, Scheer, S., McFarland, W., Katz, M., Valleroy, L., Chen, S., and Catania, J. A.,
“Prevalence of HIV infection and predictors of high transmission sexual risk behaviors: Results from a probability sample of men who have sex with men, San Francisco”,
American Journal of Public Health, vol. 97, pp. 1-9, 2007.
OREGON STATE UNIVERSITY
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