Intraesophageal pressure gradient in man.
D000328:Adult; D001827:Body Height; D001835:Body Weight; D004947:Esophagus / Q000502:physiology*; D006801:Humans; D008168:Lung / Q000502:physiology*; D008297:Male; D011187:Posture; D011312:Pressure; D013902:Radiography, Thoracic; D012119:Respiration / Q000502:physiology*