VENEREAL DISEASES AND YOUNG PEOPLE.
D000293:Adolescent; D004739:England; D006069:Gonorrhea; D006266:Health Education; D006801:Humans; D012749:Sexually Transmitted Diseases; D013223:Statistics as Topic; D013587:Syphilis
ADOLESCENCE; ENGLAND; GONORRHEA; HEALTH EDUCATION; STATISTICS; SYPHILIS