Emergency barium study of severe hematemesis.
D001464:Barium; D004630:Emergencies; D006471:Gastrointestinal Hemorrhage; D006396:Hematemesis / Q000209:etiology*; D006470:Hemorrhage; D006801:Humans; D011871:Radiology
D001464:Barium
HEMATEMESIS/etiology; HEMORRHAGE, GASTROINTESTINAL/radiology