Adolescents, sexual activity, and sexually transmitted infections.
Frank M
FM
Biro
D000293:Adolescent; D002690:Chlamydia Infections / Q000453:epidemiology; D005260:Female; D006069:Gonorrhea / Q000453:epidemiology*; D006306:Health Surveys; D006801:Humans; D008297:Male; D012309:Risk-Taking; D012725:Sexual Behavior / Q000706:statistics & numerical data*; D012749:Sexually Transmitted Diseases / Q000453:epidemiology*; D014481:United States