title: Changing concepts in HIV infection: challenges for the 1990s.
authors.forename: J A
authors.initials: JA
authors.lastname: Levy
mesh_terms: D015704:CD4 Antigens / Q000378:metabolism; D015496:CD4-Positive T-Lymphocytes / Q000382:microbiology*; D006678:HIV / Q000472:pathogenicity / Q000502:physiology*; D015658:HIV Infections / Q000276:immunology / Q000382:microbiology / Q000473:pathology; D015497:HIV-1 / Q000502:physiology; D015498:HIV-2 / Q000502:physiology; D006801:Humans; D014774:Virulence
chemical_list: D015704:CD4 Antigens