A.P.S. CARNEIRO, C.A.T.D. CARVALHO, C.S. DOURADO, E.A. MORONTE, F.P. COSTA, P.F.L. ROCCA, R.C.B.R. LOYOLA, R.S.T. PIMENTEL, E. ALGRANTI. (2006). SILICOSIS IN STONE CARVERS OF SEMIPRECIOUS STONES IN BELO HORIZONTE, MINAS GERAIS, BRAZIL