CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES, Volume 20, Issue 1,2002, Pages 56, doi:10.3760/cma.j.issn.1001-9391.2002.01.022
CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES, Volume 20, Issue 1,2002, Pages 57-58, doi:10.3760/cma.j.issn.1001-9391.2002.01.023
CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES, Volume 20, Issue 1,2002, Pages 12, doi:10.3760/cma.j.issn.1001-9391.2002.01.026
CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES, Volume 20, Issue 1,2002, Pages 62-63, doi:10.3760/cma.j.issn.1001-9391.2002.01.031
CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES, Volume 20, Issue 1,2002, Pages 68-70, doi:10.3760/cma.j.issn.1001-9391.2002.01.037