title: A comparison of botulinum toxin and nitroglycerin ointment for chronic anal fissure.
authors.forename: A M
authors.initials: AM
authors.lastname: Kaiser
mesh_terms: D001905:Botulinum Toxins / Q000191:economics* / Q000627:therapeutic use; D002908:Chronic Disease; D005401:Fissure in Ano / Q000188:drug therapy* / Q000191:economics; D006801:Humans; D005996:Nitroglycerin / Q000191:economics* / Q000627:therapeutic use
chemical_list: D001905:Botulinum Toxins; D005996:Nitroglycerin