[QUESTIONNAIRE SENT TO PARENTS, PHYSICIANS AND TEACHERS ON MASTURBATION AND SEX EDUCATION].
D000293:Adolescent; D002648:Child; D006801:Humans; D008418:Masturbation; D010290:Parents; D010820:Physicians; D012736:Sex Education; D011795:Surveys and Questionnaires
ADOLESCENCE; CHILD; MASTURBATION; SEX EDUCATION