HIV-negative AIDS cases being studied.
L E
LE
Haddy
D015496:CD4-Positive T-Lymphocytes / Q000276:immunology; D003430:Cross-Sectional Studies; D006679:HIV Seropositivity / Q000453:epidemiology* / Q000276:immunology; D006801:Humans; D015994:Incidence; D007958:Leukocyte Count; D011159:Population Surveillance; D014903:West Virginia / Q000453:epidemiology