[The diagnosis and treatment of upper G-1 bleeding].
D004932:Esophageal and Gastric Varices; D006471:Gastrointestinal Hemorrhage; D006470:Hemorrhage; D006801:Humans; D010438:Peptic Ulcer Hemorrhage
ESOPHAGEAL VARICES; HEMORRHAGE, GASTROINTESTINAL; PEPTIC ULCER HEMORRHAGE