[On a case of dysphagia caused by a membranous diaphragm in the esophagus].
D003679:Deglutition; D003680:Deglutition Disorders / Q000209:etiology*; D003964:Diaphragm; D004947:Esophagus / Q000002:abnormalities*; D006801:Humans
DEGLUTITION DISORDERS/etiology; ESOPHAGUS/abnormalities