A new technique for proximal esophagography and quantitative analysis of pharyngeal function.
D004947:Esophagus / Q000000981:diagnostic imaging*; D006801:Humans; D010614:Pharynx / Q000502:physiology*; D011859:Radiography; D014741:Video Recording / Q000379:methods*; D014742:Videodisc Recording / Q000379:methods*