[GASTRODUODENAL HEMORRHAGES SINE MATERIA].
D006471:Gastrointestinal Hemorrhage; D006470:Hemorrhage; D006801:Humans; D012771:Shock, Hemorrhagic
HEMORRHAGE, GASTROINTESTINAL; SHOCK, HEMORRHAGIC
SULLE EMORRAGIE GASTRO-DUODENALI SINE MATERIA.