CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES, Volume 17, Issue 1,1999, Pages 26-27, doi:10.3760/cma.j.issn.1001-9391.1999.01.009
CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES, Volume 17, Issue 1,1999, Pages 57-59, doi:10.3760/cma.j.issn.1001-9391.1999.01.035
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CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES, Volume 17, Issue 1,1999, Pages 23-25, doi:10.3760/cma.j.issn.1001-9391.1999.01.008
CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES, Volume 17, Issue 1,1999, Pages 59, doi:10.3760/cma.j.issn.1001-9391.1999.01.040