Gastrointestinal bleeding; etiology and management.
D004932:Esophageal and Gastric Varices; D004947:Esophagus; D006471:Gastrointestinal Hemorrhage; D041981:Gastrointestinal Tract; D006470:Hemorrhage; D010437:Peptic Ulcer; D010438:Peptic Ulcer Hemorrhage; D014648:Varicose Veins
ESOPHAGUS/varix; GASTROINTESTINAL SYSTEM/hemorrhage; PEPTIC ULCER/hemorrhage