Masturbation practices of males and females.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D003075:Coitus; D005239:Fear; D005260:Female; D006801:Humans; D008297:Male; D008418:Masturbation; D009948:Orgasm; D010379:Peer Group; D012737:Sex Factors; D012725:Sexual Behavior; D011795:Surveys and Questionnaires