Rapidly progressive coal workers' pneumoconiosis in the United States: geographic clustering and other factors.
Antao, V C dos S 1; Petsonk, E L 1; Sokolow, L Z 2; Wolfe, A L 1; Pinheiro, G A 1; Hale, J M 1; Attfield, M D 1
Occupational & Environmental Medicine.
62(10):670-674, October 2005.
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