title: Gastrointestinal bleeding.
authors.affiliation: Dept. of Gastroenterology, Medical University of Silesia, Ul. Medyków 14, 40-752 Katowice, Poland. tamarek@csk.katowice.pl
authors.forename: T A
authors.initials: TA
authors.lastname: Marek
mesh_terms: D004064:Digestive System / Q000473:pathology / Q000503:physiopathology; D013505:Digestive System Surgical Procedures; D016099:Endoscopy, Gastrointestinal; D006471:Gastrointestinal Hemorrhage / Q000473:pathology* / Q000503:physiopathology / Q000601:surgery*; D006801:Humans