title: [First aid in the clinical field. Emergency treatment of a patient with hematemesis associated with duodenal ulcer].
mesh_terms: D003422:Critical Care; D004381:Duodenal Ulcer / Q000150:complications / Q000628:therapy*; D006396:Hematemesis / Q000209:etiology / Q000628:therapy*; D006801:Humans; D010438:Peptic Ulcer Hemorrhage / Q000628:therapy*