High esophageal rings.
Langdon
D E
DE
D000328:Adult; D002404:Catheterization; D003680:Deglutition Disorders / Q000209:etiology* / Q000628:therapy; D004947:Esophagus / Q000002:abnormalities*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged