title: Is there an accessory sphincter of the cervical oesophagus?
authors.affiliation: Department of Diagnostic Radiology, Malmö General Hospital, Sweden.
authors.forename: O
authors.initials: O
authors.lastname: Ekberg
authors.forename: P
authors.initials: P
authors.lastname: Borgström
authors.forename: S
authors.initials: S
authors.lastname: Lindgren
mesh_terms: D000368:Aged; D003680:Deglutition Disorders / Q000000981:diagnostic imaging* / Q000503:physiopathology; D004943:Esophagogastric Junction / Q000503:physiopathology; D004947:Esophagus / Q000000981:diagnostic imaging* / Q000503:physiopathology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography