CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 10, Issue 4,2007, Pages 474-474, doi:10.3969/j.issn.1007-9564.2007.04.097
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 10, Issue 4,2007, Pages 384-384, doi:10.3969/j.issn.1007-9564.2007.04.016
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 10, Issue 4,2007, Pages 458-458, doi:10.3969/j.issn.1007-9564.2007.04.111
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 10, Issue 4,2007, Pages 457-458, doi:10.3969/j.issn.1007-9564.2007.04.083
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 10, Issue 4,2007, Pages 425-425, doi:10.3969/j.issn.1007-9564.2007.04.054