title: Obstruction of second part of duodenum by retroperitoneal haematoma due to blunt abdominal trauma: a report of two cases.
mesh_terms: D000007:Abdominal Injuries / Q000150:complications*; D000059:Accidents; D000293:Adolescent; D001265:Athletic Injuries; D001466:Barium Sulfate; D002648:Child; D004380:Duodenal Obstruction / Q000209:etiology*; D006406:Hematoma / Q000175:diagnosis / Q000209:etiology* / Q000601:surgery; D006470:Hemorrhage / Q000175:diagnosis; D006801:Humans; D008297:Male; D011860:Radiography, Abdominal
chemical_list: D001466:Barium Sulfate