title: The postcricoid impression on the esophagus.
authors.forename: R G
authors.initials: RG
authors.lastname: Pitman
mesh_terms: D001466:Barium Sulfate; D003413:Cricoid Cartilage / Q000000981:diagnostic imaging*; D003679:Deglutition; D004947:Esophagus / Q000098:blood supply / Q000000981:diagnostic imaging*; D006801:Humans; D010690:Phlebography
chemical_list: D001466:Barium Sulfate