title: Cryosurgery with nitrous oxide: report of cases.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D003452:Cryosurgery / Q000295:instrumentation / Q000379:methods; D006392:Hemangioma, Cavernous / Q000601:surgery; D006801:Humans; D008047:Lip Diseases / Q000601:surgery; D008048:Lip Neoplasms / Q000601:surgery; D008297:Male; D008875:Middle Aged; D009059:Mouth Diseases / Q000601:surgery*; D009060:Mouth Floor / Q000601:surgery; D009609:Nitrous Oxide
chemical_list: D009609:Nitrous Oxide