Submucous haemorrhoidectomy versus low ligation excision.
D000328:Adult; D000368:Aged; D005260:Female; D006484:Hemorrhoids / Q000601:surgery*; D006801:Humans; D008026:Ligation; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications / Q000453:epidemiology; D013514:Surgical Procedures, Operative / Q000379:methods