[Severe hemorrhages of the upper digestive tract (esophagus, stomach, duodenum, liver, pancreas and jejunum)].
D004386:Duodenum; D004947:Esophagus; D006471:Gastrointestinal Hemorrhage; D041981:Gastrointestinal Tract; D006801:Humans; D007583:Jejunum; D008099:Liver; D013270:Stomach
HEMORRHAGE, GASTROINTESTINAL