title: [Usefulness of early endoscopy in upper digestive hemorrhages: a critical analysis based on our experience].
mesh_terms: D004724:Endoscopy; D005069:Evaluation Studies as Topic; D006471:Gastrointestinal Hemorrhage / Q000453:epidemiology / Q000209:etiology; D006801:Humans; D007902:Length of Stay; D011446:Prospective Studies; D012189:Retrospective Studies; D013030:Spain; D013997:Time Factors
vernacular_title: Utilidad de la endoscopia precoz en hemorragias digestivas altas: un análisis crítico basado en nuestra experiencia.