title: CD4+ counts in seronegative homosexual men. The Multicenter AIDS Cohort Study.
authors.forename: S H
authors.initials: SH
authors.lastname: Vermund
authors.forename: D R
authors.initials: DR
authors.lastname: Hoover
authors.forename: K
authors.initials: K
authors.lastname: Chen
mesh_terms: D015496:CD4-Positive T-Lymphocytes; D015331:Cohort Studies; D006679:HIV Seropositivity; D006716:Homosexuality; D006801:Humans; D007958:Leukocyte Count; D008297:Male