[Clinical forms of chronic dust-induced bronchitis].
D000395:Air Pollutants, Occupational / Q000009:adverse effects*; D001991:Bronchitis / Q000145:classification; D002908:Chronic Disease; D003032:Coal Mining; D004391:Dust / Q000009:adverse effects; D006801:Humans; D011009:Pneumoconiosis / Q000145:classification / Q000175:diagnosis*
D000395:Air Pollutants, Occupational; D004391:Dust
O klinicheskikh formakh khronicheskogo pylevogo bronkhita.