title: Natural history of HIV illness.
authors.affiliation: National AIDS Control Organisation, Ministry of Health and Family Welfare, New Delhi.
authors.forename: S
authors.initials: S
authors.lastname: Lal
authors.forename: D
authors.initials: D
authors.lastname: Sengupta
mesh_terms: D017088:AIDS-Related Opportunistic Infections / Q000503:physiopathology; D015496:CD4-Positive T-Lymphocytes; D015658:HIV Infections / Q000276:immunology / Q000503:physiopathology*; D006801:Humans; D007958:Leukocyte Count