Peptic ulcer in childhood.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004381:Duodenal Ulcer / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000235:genetics; D005260:Female; D006396:Hematemesis; D006801:Humans; D008297:Male; D010146:Pain; D011859:Radiography; D014839:Vomiting