AIDS prevention. Facts from the countries.
D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control*; D000293:Adolescent; D000328:Adult; D005060:Europe; D006266:Health Education / Q000379:methods*; D006801:Humans; D008877:Middle East; D009656:North America; D010174:Pamphlets; D013664:Teaching Materials