title: Admission risk markers for upper gastrointestinal bleeding: can urgent endoscopy be avoided?
authors: Doug
authors: D
authors: Taupin
mesh_terms: D004630:Emergencies; D004724:Endoscopy / Q000009:adverse effects; D006471:Gastrointestinal Hemorrhage / Q000097:blood / Q000175:diagnosis*; D006470:Hemorrhage / Q000145:classification; D006801:Humans