title: Intramural formalin injection for rectal ulcer refractory to medical and endoscopic treatment.
authors.forename: Maher A
authors.initials: MA
authors.lastname: Abbas
mesh_terms: D003113:Colonoscopy / Q000379:methods; D005401:Fissure in Ano / Q000150:complications / Q000188:drug therapy*; D005404:Fixatives / Q000494:pharmacology*; D005557:Formaldehyde / Q000008:administration & dosage*; D006471:Gastrointestinal Hemorrhage / Q000188:drug therapy / Q000209:etiology; D016558:Hemostasis, Endoscopic / Q000379:methods; D006801:Humans; D015552:Injections, Intralesional; D016896:Treatment Outcome
chemical_list: D005404:Fixatives; D005557:Formaldehyde