CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES, Volume 20, Issue 4,2002, Pages 300-303, doi:10.3760/cma.j.issn.1001-9391.2002.04.018
CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES, Volume 20, Issue 4,2002, Pages 313-317, doi:10.3760/cma.j.issn.1001-9391.2002.04.031
CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES, Volume 20, Issue 4,2002, Pages 243-245, doi:10.3760/cma.j.issn.1001-9391.2002.04.002
CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES, Volume 20, Issue 4,2002, Pages 317-318, doi:10.3760/cma.j.issn.1001-9391.2002.04.032
CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES, Volume 20, Issue 4,2002, Pages 304-305, doi:10.3760/cma.j.issn.1001-9391.2002.04.019