CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 4, Issue 8,2001, Pages 636, doi:10.3969/j.issn.1007-9564.2001.08.058
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 4, Issue 8,2001, Pages 653, doi:10.3969/j.issn.1007-9564.2001.08.090
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 4, Issue 8,2001, Pages 622, doi:10.3969/j.issn.1007-9564.2001.08.043
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 4, Issue 8,2001, Pages 595-596, doi:10.3969/j.issn.1007-9564.2001.08.014
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 4, Issue 8,2001, Pages 637-638, doi:10.3969/j.issn.1007-9564.2001.08.060