Lessons in AIDS prevention.
D000163:Acquired Immunodeficiency Syndrome / Q000191:economics / Q000517:prevention & control*; D003275:Contraceptive Devices, Male / Q000600:supply & distribution; D003362:Cost-Benefit Analysis; D003906:Developing Countries; D005380:Financing, Government; D006266:Health Education / Q000191:economics; D012725:Sexual Behavior; D014481:United States