[THE INFLUENCE OF THE DURATION OF EXPOSURE ON THE LUNG FUNCTION].
D003032:Coal Mining; D005853:Geriatrics; D006801:Humans; D008660:Metabolism; D009784:Occupational Diseases; D011009:Pneumoconiosis; D012143:Respiratory Physiological Phenomena
COAL MINING; GERIATRICS; METABOLISM; OCCUPATIONAL DISEASES; PNEUMOCONIOSIS
DER EINFLUSS DER EXPOSITIONSZEIT AUF DIE LUNGENFUNKTION.