CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 11, Issue 8,2008, Pages 1216-1217, doi:10.3969/j.issn.1007-9564.2008.08.065
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 11, Issue 8,2008, Pages 1267, doi:10.3969/j.issn.1007-9564.2008.08.105
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 11, Issue 8,2008, Pages 1281, doi:10.3969/j.issn.1007-9564.2008.08.118
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 11, Issue 8,2008, Pages 1140-1142, doi:10.3969/j.issn.1007-9564.2008.08.003
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 11, Issue 8,2008, Pages 1285, doi:10.3969/j.issn.1007-9564.2008.08.136