Gastric resection for upper gastrointestinal hemorrhage of undetermined cause.
D005743:Gastrectomy; D006471:Gastrointestinal Hemorrhage; D041981:Gastrointestinal Tract; D006470:Hemorrhage; D006801:Humans; D013270:Stomach / Q000601:surgery*
GASTROINTESTINAL SYSTEM/hemorrhage; STOMACH/surgery