title: Protection racket.
authors: C
authors: C
authors: Mahony
mesh_terms: D000293:Adolescent; D002648:Child; D006293:Health Promotion / Q000379:methods*; D006801:Humans; D012573:School Nursing / Q000379:methods*; D012736:Sex Education / Q000379:methods*; D012749:Sexually Transmitted Diseases / Q000453:epidemiology / Q000517:prevention & control*