8Chen W, Liu Y, Wang H, et al. Long-Term Exposure to Silica Dust and Risk of Total and Cause-Specific Mortality in Chinese Workers: A Cohort Study[J]. PLoS Med 2012,9(4),e1001206.
9Wang H, Tao L. Current situations and challenges of occupational disease prevention and control in China [ J ]. Ind Healt h, 2012,50 (2) :73-79.