title: Nonoperative management of chronic anal fissure.
authors.forename: G
authors.initials: G
authors.lastname: Maria
authors.forename: G
authors.initials: G
authors.lastname: Brisinda
mesh_terms: D000285:Administration, Rectal; D004311:Double-Blind Method; D005401:Fissure in Ano / Q000188:drug therapy* / Q000209:etiology; D006801:Humans; D005996:Nitroglycerin / Q000008:administration & dosage*; D016896:Treatment Outcome
chemical_list: D005996:Nitroglycerin