title: Recent increases in HIV seroconversion among repeat anonymous testers in San Francisco.
authors.forename: T
authors.initials: T
authors.lastname: Kellogg
authors.forename: W
authors.initials: W
authors.lastname: McFarland
authors.forename: M
authors.initials: M
authors.lastname: Katz
mesh_terms: D015492:AIDS Serodiagnosis / Q000706:statistics & numerical data*; D006679:HIV Seropositivity / Q000453:epidemiology*; D018451:Homosexuality, Male; D006801:Humans; D015994:Incidence; D008297:Male; D012495:San Francisco / Q000453:epidemiology