title: HIV prevention efforts impaired in New York City.
authors.affiliation: Gay Men's Health Center, New York, NY 10010, USA.
authors.forename: M T
authors.initials: MT
authors.lastname: Isbell
mesh_terms: D015658:HIV Infections / Q000517:prevention & control*; D006266:Health Education; D018451:Homosexuality, Male; D006801:Humans; D008297:Male; D009519:New York City; D012495:San Francisco