CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 9, Issue 9,2006, Pages 946-946, doi:10.3969/j.issn.1007-9564.2006.09.036
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 9, Issue 9,2006, Pages 953-953, doi:10.3969/j.issn.1007-9564.2006.09.043
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 9, Issue 9,2006, Pages 954-956, doi:10.3969/j.issn.1007-9564.2006.09.044
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 9, Issue 9,2006, Pages 934-935, doi:10.3969/j.issn.1007-9564.2006.09.025
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 9, Issue 9,2006, Pages 952-952, doi:10.3969/j.issn.1007-9564.2006.09.042