1. Concomitant Socioeconomic, Behavioral, and Biological Factors Associated with the Disproportionate HIV Infection Burden among Black Men Who Have Sex with Men in 6 U.S. Cities Mayer, Kenneth H.; Wang, Lei; Koblin, Beryl; Mannheimer, Sharon B.; Magnus, Manya; del Rio, Carlos; Watson, Christopher C.; Piwowar-Manning, Estelle; Gaydos, Charlotte; Eshleman, Susan H.; Clarke, William; Griffith, Samuel; Mao, Cherry; Wheeler, Darrell; HPTN061 Protocol Team 2014 Articles Gay men, BlackHIV infections--DiagnosisHIV-positive menEpidemiology