title: Vasectomy, vas ligation and vas occlusion.
mesh_terms: D000328:Adult; D000768:Anesthesia, General; D000772:Anesthesia, Local; D001327:Autoimmune Diseases / Q000209:etiology; D004106:Dilatation; D004822:Epididymis; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007109:Immunity; D008026:Ligation; D008297:Male; D008722:Methods; D008875:Middle Aged; D011183:Postoperative Complications; D011379:Prognosis; D012661:Semen; D013094:Spermatozoa; D013733:Testicular Diseases / Q000209:etiology; D014649:Vas Deferens / Q000002:abnormalities / Q000601:surgery*; D014659:Vasectomy / Q000009:adverse effects* / Q000266:history