title: Loss of human immunodeficiency virus type 1 (HIV-1) antibodies with evidence of viral infection in asymptomatic homosexual men: a report from the Multicenter AIDS Cohort Study.
mesh_terms: D015331:Cohort Studies; D015483:HIV Antibodies / Q000032:analysis*; D015658:HIV Infections / Q000276:immunology*; D006679:HIV Seropositivity / Q000276:immunology; D015497:HIV-1 / Q000276:immunology*; D006716:Homosexuality; D006801:Humans; D008297:Male; D015337:Multicenter Studies as Topic
chemical_list: D015483:HIV Antibodies