title: Acute abdominal pain and vomiting in a seven-year-old boy.
mesh_terms: D000006:Abdomen, Acute / Q000209:etiology*; D001265:Athletic Injuries / Q000000981:diagnostic imaging*; D002648:Child; D004386:Duodenum / Q000000981:diagnostic imaging* / Q000293:injuries; D006471:Gastrointestinal Hemorrhage / Q000000981:diagnostic imaging*; D006406:Hematoma / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D011859:Radiography; D014839:Vomiting / Q000209:etiology