Pleural and esophageal pressures in the upright body position.
D000818:Animals; D055592:Biophysical Phenomena; D001703:Biophysics; D002404:Catheterization; D004285:Dogs; D004947:Esophagus / Q000502:physiology*; D010994:Pleura / Q000502:physiology*; D011187:Posture; D011312:Pressure; D013909:Thorax / Q000502:physiology*