Search Results

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

2. Pneumoconiosis mortality in Pennsylvania.

3. Pneumoconiosis study in central Pennsylvania coal mines.

4. Pneumoconiosis study in central Pennsylvania coal mines : I. Medical phase.

5. Pneumoconiosis in Pennsylvania.

6. Pneumoconiosis mortality in Pennsylvania.

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