title: EFFECT OF NEGATIVE-PRESSURE BREATHING ON LUNG MECHANICS AND VENOUS ADMIXTURE.
mesh_terms: D000818:Animals; D001784:Blood Gas Analysis; D004285:Dogs; D010827:Physiology; D011187:Posture; D001261:Pulmonary Atelectasis; D011652:Pulmonary Circulation; D012106:Research; D012119:Respiration
keywords: ATELECTASIS; BLOOD GAS ANALYSIS; DOGS; EXPERIMENTAL LAB STUDY; PHYSIOLOGY; POSTURE; PULMONARY CIRCULATION; RESPIRATION