Chinese Journal of Industrial Hygiene and Occupational Diseases, Volume 30, Issue 4,2012, Pages 310-312, doi:10.3760/cma.j.issn.1001-9391.2012.04.020
Chinese Journal of Industrial Hygiene and Occupational Diseases, Volume 30, Issue 4,2012, Pages 258-260, doi:10.3760/cma.j.issn.1001-9391.2012.04.005
Chinese Journal of Industrial Hygiene and Occupational Diseases, Volume 30, Issue 4,2012, Pages 265-267, doi:10.3760/cma.j.issn.1001-9391.2012.04.007
Chinese Journal of Industrial Hygiene and Occupational Diseases, Volume 30, Issue 4,2012, Pages 278-283, doi:10.3760/cma.j.issn.1001-9391.2012.04.010
Chinese Journal of Industrial Hygiene and Occupational Diseases, Volume 30, Issue 4,2012, Pages 261-264, doi:10.3760/cma.j.issn.1001-9391.2012.04.006