From the Centers for Disease Control and Prevention. HIV instruction and selected HIV-risk behaviors among high school students--United States.
D000293:Adolescent; D000294:Adolescent Behavior; D000328:Adult; D003075:Coitus; D015658:HIV Infections / Q000209:etiology; D006266:Health Education; D006801:Humans; D012044:Regression Analysis; D012309:Risk-Taking; D014481:United States