Robert Guzman

HIV prevalence, risk behaviors, health care use, and mental health status of transgender persons: implications for public health intervention

Kristen Clements‐Nolle, Rani Marx, Robert Guzman et al. · American Journal of Public Health · 2001 · 779 citations · Full text

Social Sciences, Community Health, Behavioral Health +12

The Circuit Party Men's Health Survey: findings and implications for gay and bisexual men

Gordon Mansergh, Grant Colfax, Gary Marks et al. · American Journal of Public Health · 2001 · 273 citations · Full text

Public Health, Behavioral Sciences, Sexuality Studies +17

‘Barebacking’ in a diverse sample of men who have sex with men

Gordon Mansergh, Gary Marks, Grant Colfax et al. · AIDS · 2002 · 193 citations

Public Health, Community Health, Sexuality Studies +16

Methamphetamine and sildenafil (Viagra) use are linked to unprotected receptive and insertive anal sex, respectively, in a sample of men who have sex with men

Gordon Mansergh, R. Luke Shouse, Gary Marks et al. · Sexually Transmitted Infections · 2006 · 151 citations

Medicine, Behavioral Sciences, Preventive Medicine +17

Gay Identity-Related Factors and Sexual Risk Among Men Who Have Sex with Men in San Francisco

Stephen A. Flores, Gordon Mansergh, Gary Marks et al. · AIDS Education and Prevention · 2009 · 69 citations

Humanities, Psychology, Sexuality Studies +11