title: Internal sphincterotomy and haemorrhoidectomy in acute haemorrhoids. Its value in reduction of postoperative pain.
mesh_terms: D000367:Age Factors; D001003:Anal Canal / Q000601:surgery*; D006484:Hemorrhoids / Q000601:surgery*; D008722:Methods; D010146:Pain / Q000517:prevention & control; D011182:Postoperative Care; D011183:Postoperative Complications / Q000517:prevention & control