Grant Colfax, MD
Grant Colfax, MD
San Francisco Department of Public Health
San Francisco,
CA
USA
grant.colfax@sfdph.org
3299.0 Community affiliation, participation, gay identification and unprotected anal sex among young substance-using MSM in four u.s. cities
4401.0 Differentiating the associations of binge (5+ drinks) and social (1-4 drinks) alcohol use with event-level sexual risk behavior by HIV-status among substance-using MSM
5006.0 Associations between sexual risk behavior and religious/spiritual coping by HIV status within race/ethnicity, in a diverse sample of men who have sex with men