Chinese Journal of Industrial Hygiene and Occupational Diseases, Volume 31, Issue 4,2013, Pages 266-270, doi:10.3760/cma.j.issn.1001-9391.2013.04.006
Chinese Journal of Industrial Hygiene and Occupational Diseases, Volume 31, Issue 4,2013, Pages 262-265, doi:10.3760/cma.j.issn.1001-9391.2013.04.005
Chinese Journal of Industrial Hygiene and Occupational Diseases, Volume 31, Issue 4,2013, Pages 318-320, doi:10.3760/cma.j.issn.1001-9391.2013.04.023
Chinese Journal of Industrial Hygiene and Occupational Diseases, Volume 31, Issue 4,2013, Pages 294-296, doi:10.3760/cma.j.issn.1001-9391.2013.04.015
Chinese Journal of Industrial Hygiene and Occupational Diseases, Volume 31, Issue 4,2013, Pages 316-317, doi:10.3760/cma.j.issn.1001-9391.2013.04.022