title: Question and answer. Solid-column single contrast barium enema after failed colonoscopy.
authors: McMaster University Medical Center, Hamilton, Ont., Canada.
authors: S
authors: S
authors: Somers
mesh_terms: D001466:Barium Sulfate; D003113:Colonoscopy; D000075202:Contraindications; D003287:Contrast Media; D004733:Enema / Q000379:methods*; D006801:Humans
chemical_list: D003287:Contrast Media; D001466:Barium Sulfate