title: Internal sphincter spasm in anal fissure.
authors.affiliation: Department of Surgery, University Hospital, Nottingham, UK.
authors.forename: J N
authors.initials: JN
authors.lastname: Lund
authors.forename: J H
authors.initials: JH
authors.lastname: Scholefield
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D005401:Fissure in Ano / Q000188:drug therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D005996:Nitroglycerin / Q000627:therapeutic use*; D009824:Ointments; D011312:Pressure; D012008:Recurrence; D013035:Spasm; D014665:Vasodilator Agents / Q000627:therapeutic use*
chemical_list: D009824:Ointments; D014665:Vasodilator Agents; D005996:Nitroglycerin