title: [Clinical studies of the lung in the aged].
mesh_terms: D000328:Adult; D000368:Aged; D000375:Aging; D006801:Humans; D008168:Lung / Q000502:physiology*; D008875:Middle Aged; D010100:Oxygen / Q000097:blood; D010313:Partial Pressure; D011659:Pulmonary Gas Exchange; D012140:Respiratory Tract Diseases / Q000503:physiopathology
chemical_list: D010100:Oxygen