title: Endoscopy for acute upper GI tract hemorrhage: sooner is better.
authors.forename: Brennan M R
authors.initials: BM
authors.lastname: Spiegel
mesh_terms: D000208:Acute Disease; D016099:Endoscopy, Gastrointestinal; D006471:Gastrointestinal Hemorrhage / Q000601:surgery*; D006801:Humans; D013997:Time Factors