CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES, Volume 19, Issue 6,2001, Pages 466-467, doi:10.3760/cma.j.issn.1001-9391.2001.06.031
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
CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES, Volume 19, Issue 6,2001, Pages 442-443, doi:10.3760/cma.j.issn.1001-9391.2001.06.013
CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES, Volume 19, Issue 6,2001, Pages 416-419, doi:10.3760/cma.j.issn.1001-9391.2001.06.005
CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES, Volume 19, Issue 6,2001, Pages 419-419, doi:10.3760/cma.j.issn.1001-9391.2001.06.021