[Role of free silicon dioxide in the development of chronic dust bronchitis].
D000328:Adult; D001991:Bronchitis / Q000139:chemically induced*; D002908:Chronic Disease; D004391:Dust; D004781:Environmental Exposure; D006801:Humans; D008297:Male; D009784:Occupational Diseases / Q000139:chemically induced*; D012822:Silicon Dioxide; D012907:Smoking / Q000150:complications; D014586:USSR
D004391:Dust; D012822:Silicon Dioxide
O roli svobodnoĭ dvuokisi kremniia v razvitii khronicheskogo pylevogo bronkhita.