CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 6, Issue 6,2003, Pages 544-545, doi:10.3969/j.issn.1007-9564.2003.06.056
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 6, Issue 6,2003, Pages 497-499, doi:10.3969/j.issn.1007-9564.2003.06.006
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 6, Issue 6,2003, Pages 496-496, doi:10.3969/j.issn.1007-9564.2003.06.087
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 6, Issue 6,2003, Pages 563-564, doi:10.3969/j.issn.1007-9564.2003.06.071
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 6, Issue 6,2003, Pages 527-527, doi:10.3969/j.issn.1007-9564.2003.06.036