Nitrous fumes and coal-miners with emphysema.
D000328:Adult; D000368:Aged; D003032:Coal Mining; D006801:Humans; D008297:Male; D008875:Middle Aged; D009585:Nitrogen Dioxide / Q000506:poisoning*; D009609:Nitrous Oxide / Q000506:poisoning*; D009784:Occupational Diseases / Q000139:chemically induced*; D011656:Pulmonary Emphysema / Q000139:chemically induced* / Q000401:mortality / Q000503:physiopathology; D013147:Spirometry
D009609:Nitrous Oxide; D009585:Nitrogen Dioxide