Upper gastrointestinal hemorrhage.
D000367:Age Factors; D000368:Aged; D001803:Blood Transfusion; D064420:Drug-Related Side Effects and Adverse Reactions; D004932:Esophageal and Gastric Varices / Q000401:mortality; D006471:Gastrointestinal Hemorrhage / Q000139:chemically induced / Q000401:mortality / Q000601:surgery / Q000628:therapy; D006801:Humans; D008875:Middle Aged; D012771:Shock, Hemorrhagic / Q000628:therapy