title: Cytotoxic T lymphocyte precursors in persons with repeated exposure to human immunodeficiency virus.
authors.forename: D N
authors.initials: DN
authors.lastname: Forthal
mesh_terms: D003602:Cytotoxicity, Immunologic; D018023:HIV Seronegativity / Q000276:immunology*; D006679:HIV Seropositivity / Q000276:immunology*; D015497:HIV-1 / Q000276:immunology*; D006801:Humans; D012307:Risk Factors; D013602:T-Lymphocytes, Cytotoxic / Q000276:immunology*