title: Regional differences in pleural and esophageal pressures in head-up and head-down positions.
mesh_terms: D000818:Animals; D001794:Blood Pressure; D006328:Cardiac Catheterization; D002302:Cardiac Output; D002404:Catheterization; D004285:Dogs; D004947:Esophagus; D006257:Head; D007201:Indicator Dilution Techniques; D008168:Lung; D008365:Manometry; D008722:Methods; D010994:Pleura; D011187:Posture; D011312:Pressure; D011652:Pulmonary Circulation; D013902:Radiography, Thoracic