title: Evanescent colitis in a child.
mesh_terms: D001466:Barium Sulfate; D002675:Child, Preschool; D003093:Colitis, Ulcerative / Q000000981:diagnostic imaging*; D003424:Crohn Disease / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D011859:Radiography
chemical_list: D001466:Barium Sulfate