Search Results

1. Development of patterns of coal workers' pneumoconiosis in Pennsylvania and its association with respiratory impairment.

2. Pneumoconiosis study in central Pennsylvania coal mines.

3. Comparison of dust exposures in Pennsylvania anthracite and bituminous coal mines.

4. Environmental dust study of anthracite coal mines of Eastern Pennsylvania.

5. Life expectancy of Pennsylvania coal miners compensated for disability : as affected by pneumoconiosis and ventilatory impairment.