[Difficulties in the study of the causes of gastric hemorrhages in children].
D000293:Adolescent; D002648:Child; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006396:Hematemesis / Q000209:etiology; D006801:Humans; D008297:Male; D008551:Melena / Q000209:etiology; D010438:Peptic Ulcer Hemorrhage; D012771:Shock, Hemorrhagic / Q000209:etiology
Teskoće u istrazivanju uzroka gastrickih hemoragija u dece.