[ON THE CAUSES OF HEMORRHAGE FROM THE UPPER PORTION OF THE GASTROINTESTINAL TUBE].
D000293:Adolescent; D002648:Child; D006471:Gastrointestinal Hemorrhage; D005853:Geriatrics; D006470:Hemorrhage; D007441:Intubation, Gastrointestinal
ADOLESCENCE; CHILD; GERIATRICS; HEMORRHAGE, GASTROINTESTINAL
EPI TON AITION TON HAIMORRAGION EK TON ANOTERON TMEMATON TOU GASTRENTERIKOU SOLENOS.