title: Chemical sphincterotomy in the treatment of anal fissure.
authors.affiliation: Department of Surgery, Foothills Medical Center, Calgary, Alberta, Canada. tony.maclean@calgaryhealthregion.ca
authors.forename: Anthony
authors.initials: A
authors.lastname: MacLean
mesh_terms: D019274:Botulinum Toxins, Type A / Q000627:therapeutic use; D002121:Calcium Channel Blockers / Q000627:therapeutic use; D005401:Fissure in Ano / Q000188:drug therapy*; D006801:Humans; D020030:Nitric Oxide Donors / Q000627:therapeutic use; D005996:Nitroglycerin / Q000627:therapeutic use
chemical_list: D002121:Calcium Channel Blockers; D020030:Nitric Oxide Donors; D019274:Botulinum Toxins, Type A; D005996:Nitroglycerin