CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 6, Issue 11,2003, Pages 1098-1098, doi:10.3969/j.issn.1007-9564.2003.11.070
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 6, Issue 11,2003, Pages 1094-1094, doi:10.3969/j.issn.1007-9564.2003.11.068
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 6, Issue 11,2003, Pages 1067-1068, doi:10.3969/j.issn.1007-9564.2003.11.043
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 6, Issue 11,2003, Pages 1103-1103, doi:10.3969/j.issn.1007-9564.2003.11.075
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 6, Issue 11,2003, Pages 1118-1119, doi:10.3969/j.issn.1007-9564.2003.11.086