title: Pneumoconiosis and chronic bronchitis.
abstract: Data from a major long-term epidemiological survey in the British coalmining industry were examined to determine whether bronchitis offered any protective action against the development of pneumoconiosis. No evidence of such an effect was found.
mesh_terms: D001991:Bronchitis / Q000150:complications*; D002908:Chronic Disease; D003032:Coal Mining; D006801:Humans; D008297:Male; D011009:Pneumoconiosis / Q000150:complications* / Q000517:prevention & control; D013183:Sputum / Q000378:metabolism