A study of esophageal pressures in normal persons and patients with cardiospasm.
D003679:Deglutition / Q000502:physiology*; D004931:Esophageal Achalasia / Q000503:physiopathology*; D004943:Esophagogastric Junction / Q000503:physiopathology; D004947:Esophagus / Q000503:physiopathology*; D005769:Gastrointestinal Motility; D006801:Humans; D008365:Manometry; D011312:Pressure; D014159:Transducers