Dysphagia due to a lower oesophageal ring.
D003251:Constriction, Pathologic; D003679:Deglutition; D003680:Deglutition Disorders / Q000209:etiology*; D004940:Esophageal Stenosis; D004947:Esophagus / Q000002:abnormalities; D006801:Humans
DEGLUTITION DISORDERS/etiology and pathogenesis; ESOPHAGUS/stenosis
Gastroenterology. 1953 Mar;23(3):419-30
13034025
Am J Roentgenol Radium Ther Nucl Med. 1953 Dec;70(6):911-22
13104726