[Bleeding esophageal varices in a 13-year-old boy].
D000293:Adolescent; D004932:Esophageal and Gastric Varices / Q000000981:diagnostic imaging*; D006470:Hemorrhage; D006801:Humans; D008297:Male; D011859:Radiography
Krwawiace zylaki przełyku u 13-letniego chłopca.