title: AIDS in the 1990s--meeting the challenge.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000191:economics / Q000453:epidemiology* / Q000635:transmission; D000349:Africa; D001208:Asia; D004196:Disease Outbreaks / Q000191:economics; D005544:Forecasting; D006801:Humans; D008017:Life Expectancy / Q000639:trends; D013997:Time Factors