The effect of intermittent positive pressure breathing and voluntary hyperventilation upon the distribution of ventilation and pulmonary blood flow to the lung in chronic obstructive lung disease.
D000368:Aged; D001783:Blood Flow Velocity; D001784:Blood Gas Analysis; D002245:Carbon Dioxide / Q000097:blood; D006801:Humans; D006985:Hyperventilation; D008171:Lung Diseases / Q000628:therapy*; D008875:Middle Aged; D010101:Oxygen Consumption; D011175:Positive-Pressure Respiration; D011652:Pulmonary Circulation
D002245:Carbon Dioxide