Results of epidemiologicalm mineralogical and cytotoxicological studies on the pathogenicity of coal-mine custs.

Risks of developing abnormalities on chest X-rays differ widely between collieries in the Ruhr, despite comparable dust exposures. Simple pneumoconiosis hazard indices have been determined for thirteen collieries, taking into consideration variations in miners' individual cumulative dust exposures, their ages at start of dust exposure, the residence time of… (More)