CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES, Volume 19, Issue 6,2001, Pages 430-432, doi:10.3760/cma.j.issn.1001-9391.2001.06.009
CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES, Volume 19, Issue 6,2001, Pages 449-449, doi:10.3760/cma.j.issn.1001-9391.2001.06.039
CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES, Volume 19, Issue 6,2001, Pages 435-435, doi:10.3760/cma.j.issn.1001-9391.2001.06.033
CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES, Volume 19, Issue 6,2001, Pages 458-459, doi:10.3760/cma.j.issn.1001-9391.2001.06.025
CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES, Volume 19, Issue 6,2001, Pages 444-446, doi:10.3760/cma.j.issn.1001-9391.2001.06.014