THE ANATOMIC BASIS FOR THE LOWER ESOPHAGEAL CONTRACTION RING. PLICATION THEORY AND ITS APPLICATIONS.
D003680:Deglutition Disorders; D004940:Esophageal Stenosis; D004947:Esophagus / Q000002:abnormalities; D006801:Humans; D011859:Radiography
DEGLUTITION DISORDERS; ESOPHAGEAL STENOSIS; RADIOGRAPHY