CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 11, Issue 2,2008, Pages 209-210, doi:10.3969/j.issn.1007-9564.2008.02.043
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CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 11, Issue 2,2008, Pages 178-179, doi:10.3969/j.issn.1007-9564.2008.02.022
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 11, Issue 2,2008, Pages 268-270, doi:10.3969/j.issn.1007-9564.2008.02.080
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 11, Issue 2,2008, Pages 253-254, doi:10.3969/j.issn.1007-9564.2008.02.072