CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 3, Issue 1,2000, Pages 39-40, doi:10.3969/j.issn.1007-9564.2000.01.039
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 3, Issue 1,2000, Pages 65, doi:10.3969/j.issn.1007-9564.2000.01.068
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 3, Issue 1,2000, Pages 67, doi:10.3969/j.issn.1007-9564.2000.01.071
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 3, Issue 1,2000, Pages 48-49, doi:10.3969/j.issn.1007-9564.2000.01.050
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 3, Issue 1,2000, Pages 37, doi:10.3969/j.issn.1007-9564.2000.01.036