[Working conditions and occupational dust diseases at an open coal pit].
D000328:Adult; D003032:Coal Mining; D006801:Humans; D008875:Middle Aged; D009787:Occupational Medicine; D011009:Pneumoconiosis / Q000453:epidemiology*; D012426:Russia
Usloviia truda i pylevye professional'nye zabolevaniia na otkrytom ugol'nom razreze.