Masturbation; historic perspective.
D000293:Adolescent; D000328:Adult; D002648:Child; D005260:Female; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D006801:Humans; D007223:Infant; D008297:Male; D008418:Masturbation / Q000266:history*