AIDS in the 1990s: meeting the challenge.
D000163:Acquired Immunodeficiency Syndrome / Q000191:economics / Q000453:epidemiology / Q000517:prevention & control*; D000349:Africa / Q000453:epidemiology; D001208:Asia / Q000453:epidemiology; D004196:Disease Outbreaks; D017048:Health Care Costs; D006801:Humans; D014944:World Health Organization