title: Abdominal pain and mass.
authors.affiliation: Department of Radiology, University of Texas Medical Branch, Galveston.
authors.forename: L E
authors.initials: LE
authors.lastname: Swischuk
mesh_terms: D000005:Abdomen / Q000473:pathology*; D015746:Abdominal Pain / Q000209:etiology*; D001466:Barium Sulfate; D002675:Child, Preschool; D004733:Enema; D006801:Humans; D008297:Male; D008531:Megacolon / Q000175:diagnosis* / Q000209:etiology; D011860:Radiography, Abdominal
chemical_list: D001466:Barium Sulfate