title: [Acute upper gastrointestinal bleeding outside regular working hours: do prognostic scores make sense?].
authors.forename: J
authors.initials: J
authors.lastname: Mössner
mesh_terms: D039602:After-Hours Care; D004630:Emergencies; D016145:Endoscopy, Digestive System; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000145:classification* / Q000209:etiology*; D006801:Humans; D008297:Male; D012720:Severity of Illness Index