Chronic obstructive airway disease in pneumoconiosis in comparison to chronic obstructive airway disease in non-dust exposed workers.


Many types of dust, including cigarette smoke, cause an impairment of lung function. This lung function impairment does not affect working capacity provided the dust is not fibrogenetic. Quartz, normally present in coal mine dust in concentrations between 2 and 10% is claimed to be responsible for coal workers' pneumoconiosis (CWP) by some writers. However… (More)