Botulinum toxin and anal fissure.
Stein
Ernst
E
D000287:Administration, Topical; D019274:Botulinum Toxins, Type A / Q000627:therapeutic use*; D005401:Fissure in Ano / Q000175:diagnosis / Q000188:drug therapy* / Q000209:etiology; D006801:Humans; D005996:Nitroglycerin / Q000008:administration & dosage
D019274:Botulinum Toxins, Type A; D005996:Nitroglycerin