Cryohemorrhoidectomy: an experimental study and clinical appraisal.
D000818:Animals; D003452:Cryosurgery / Q000379:methods*; D006484:Hemorrhoids / Q000473:pathology / Q000601:surgery*; D006801:Humans; D012007:Rectum / Q000473:pathology; D012867:Skin / Q000473:pathology; D013552:Swine