title: UCSF launches web site to educate youths.
mesh_terms: D000293:Adolescent; D015658:HIV Infections / Q000517:prevention & control*; D006266:Health Education / Q000379:methods*; D006801:Humans; D020407:Internet; D012495:San Francisco; D012749:Sexually Transmitted Diseases / Q000517:prevention & control*; D014495:Universities / Q000458:organization & administration*