[The Schatzki ring in the esophagus].
D000328:Adult; D003680:Deglutition Disorders / Q000209:etiology*; D004940:Esophageal Stenosis / Q000150:complications* / Q000000981:diagnostic imaging / Q000209:etiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography
De Schatzki-ring in de oesophagus.