title: Glyceryl trinitrate ointment for chronic anal fissure.
authors.forename: A
authors.initials: A
authors.lastname: Herxheimer
mesh_terms: D002908:Chronic Disease; D005401:Fissure in Ano / Q000188:drug therapy*; D006261:Headache / Q000139:chemically induced; D006801:Humans; D005996:Nitroglycerin / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D009824:Ointments
chemical_list: D009824:Ointments; D005996:Nitroglycerin