title: The components of the alveolar-arterial oxygen tension difference in normal subjects and in patients with pneumonia and obstructive lung disease.
mesh_terms: D000328:Adult; D002302:Cardiac Output; D002404:Catheterization; D002908:Chronic Disease; D006801:Humans; D007201:Indicator Dilution Techniques; D007208:Indocyanine Green; D008173:Lung Diseases, Obstructive / Q000503:physiopathology*; D008722:Methods; D008875:Middle Aged; D010100:Oxygen; D011014:Pneumonia / Q000503:physiopathology*; D011650:Pulmonary Alveoli / Q000503:physiopathology*; D011652:Pulmonary Circulation; D011868:Radioisotopes; D012119:Respiration; D013147:Spirometry; D014692:Ventilation-Perfusion Ratio; D014797:Vital Capacity; D014978:Xenon
chemical_list: D011868:Radioisotopes; D014978:Xenon; D007208:Indocyanine Green; D010100:Oxygen