AIDS in the developing countries.
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology* / Q000635:transmission; D003625:Data Collection; D003906:Developing Countries; D006291:Health Policy; D006801:Humans; D007391:International Cooperation; D012749:Sexually Transmitted Diseases; D012923:Social Class; D012941:Social Responsibility; D014481:United States