Concurrent partnerships, ethnicity, STD and HIV.
Hudson
C P
CP
D006069:Gonorrhea / Q000208:ethnology / Q000635:transmission; D015658:HIV Infections / Q000208:ethnology / Q000635:transmission*; D006801:Humans; D012725:Sexual Behavior; D012747:Sexual Partners; D012749:Sexually Transmitted Diseases / Q000208:ethnology / Q000635:transmission*