| http://www.w3.org/ns/prov#value | - Wang, M. L., Wu, Z. E., Du, Q. G., Petsonk, E. L., Peng, K. L., Li, Y. D., Li, S. K., Han, G. H., Atffield, M. D.; Occup Environ Med. 2005 Nov.Rapidly progressive coal workers'' pneumoconiosis in the United States: geographic clustering and other factors.
|
