Toward a national AIDS prevention strategy.
D000163:Acquired Immunodeficiency Syndrome / Q000175:diagnosis / Q000517:prevention & control* / Q000635:transmission; D000914:Antibodies, Viral / Q000032:analysis; D017977:Deltaretrovirus / Q000276:immunology; D006266:Health Education; D006801:Humans; D019966:Substance-Related Disorders / Q000150:complications
D000914:Antibodies, Viral