title: Colonic bleeding may cause melaena.
authors.affiliation: Academic Surgical Unit, St Mary's Hospital, London.
authors.forename: M N
authors.initials: MN
authors.lastname: Vipond
authors.forename: A J
authors.initials: AJ
authors.lastname: Sim
authors.forename: H A
authors.initials: HA
authors.lastname: Dudley
mesh_terms: D000368:Aged; D003108:Colonic Diseases / Q000150:complications*; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000150:complications*; D006801:Humans; D008551:Melena / Q000209:etiology*