[Discussion on revision of exposure limits of quartz dusts in mining and quarrying industries in Spain].
Fidalgo
Manuel
M
Chen
Wei-hong
WH
D004391:Dust / Q000032:analysis*; D006801:Humans; D008906:Mining; D016273:Occupational Exposure / Q000517:prevention & control*; D011791:Quartz / Q000032:analysis*; D013030:Spain
D004391:Dust; D011791:Quartz