title: Portal vein gas following barium enema examination.
mesh_terms: D000328:Adult; D001466:Barium Sulfate; D003093:Colitis, Ulcerative / Q000000981:diagnostic imaging*; D004618:Embolism, Air / Q000209:etiology*; D005260:Female; D006801:Humans; D011169:Portal Vein; D011172:Portography / Q000009:adverse effects*
chemical_list: D001466:Barium Sulfate