title: Transfer factor for the lung and 'emphysema score'.
mesh_terms: D000328:Adult; D000368:Aged; D001991:Bronchitis / Q000503:physiopathology; D005260:Female; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000503:physiopathology; D008297:Male; D008722:Methods; D008875:Middle Aged; D011653:Pulmonary Diffusing Capacity; D011656:Pulmonary Emphysema / Q000503:physiopathology*; D013147:Spirometry