Hyperinflation of the lungs in coal miners.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000402:Airway Obstruction / Q000503:physiopathology*; D003032:Coal Mining; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D011009:Pneumoconiosis / Q000000981:diagnostic imaging / Q000503:physiopathology*; D011859:Radiography; D013147:Spirometry; D014797:Vital Capacity