title: Radiological investigation of abdominal masses.
mesh_terms: D000008:Abdominal Neoplasms / Q000000981:diagnostic imaging*; D001466:Barium Sulfate; D002648:Child; D002675:Child, Preschool; D004733:Enema; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D011860:Radiography, Abdominal; D014567:Urography / Q000379:methods
chemical_list: D001466:Barium Sulfate