[A study of pharyngo-esophageal dyskinesia].
D000328:Adult; D000368:Aged; D003680:Deglutition Disorders / Q000000981:diagnostic imaging*; D004935:Esophageal Diseases / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010608:Pharyngeal Diseases / Q000000981:diagnostic imaging*; D011859:Radiography