Sexually transmitted diseases among adolescents.
Hardy
J B
JB
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology / Q000517:prevention & control; D000293:Adolescent; D005260:Female; D006801:Humans; D008297:Male; D008396:Maryland; D012749:Sexually Transmitted Diseases / Q000453:epidemiology* / Q000517:prevention & control / Q000628:therapy; D014504:Urban Health