title: [Studies on pulmonary gas exchang during intermittent positive pressure breathing and voluntary hyperventilation in patients with bronchial asthma and chronic pulmonary emphysema, with special reference to changes in distribution of ventilation and perfusion].
mesh_terms: D000328:Adult; D001249:Asthma / Q000503:physiopathology*; D001784:Blood Gas Analysis; D002000:Bronchospirometry; D006328:Cardiac Catheterization; D002302:Cardiac Output; D002908:Chronic Disease; D005260:Female; D006801:Humans; D006985:Hyperventilation / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D010092:Oximetry; D011175:Positive-Pressure Respiration; D011656:Pulmonary Emphysema / Q000503:physiopathology*; D012119:Respiration; D012129:Respiratory Function Tests; D014692:Ventilation-Perfusion Ratio