Voluntary sterilisation in the male.
D000768:Anesthesia, General; D049672:History, 19th Century; D049673:History, 20th Century; D049691:History, Medieval; D006801:Humans; D007603:Jurisprudence; D008297:Male; D009497:Neurotic Disorders; D009520:New Zealand; D011618:Psychotic Disorders; D013245:Sterilization, Reproductive / Q000266:history / Q000706:statistics & numerical data; D006113:United Kingdom; D014649:Vas Deferens / Q000601:surgery*