1      Only four had classic lesions of simple coal workers' pneumoconiosis.

2 on the exposure-response relation for simple coal workers' pneumoconiosis.

3 neumoconiotic diseases such as silicosis and coal workers' pneumoconiosis.

4 rated by 9 years in the US National Study of Coal Workers' Pneumoconiosis and its implications on the

5  in the lung that lead to the development of coal workers' pneumoconiosis (CWP).

6 severity scales for the following lesions of coal workers' pneumoconiosis (CWP): macules, micro- and

7 udy of new miners from the National Study of Coal Workers' Pneumoconiosis (NSCWP), researchers examin

8             Logistic model fitting of simple coal workers' pneumoconiosis prevalence to the cumulativ