CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 9, Issue 7,2006, Pages 695-696, doi:10.3969/j.issn.1007-9564.2006.07.022
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 9, Issue 7,2006, Pages 736-737, doi:10.3969/j.issn.1007-9564.2006.07.061
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 9, Issue 7,2006, Pages 771-771, doi:10.3969/j.issn.1007-9564.2006.07.092
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 9, Issue 7,2006, Pages 693-694, doi:10.3969/j.issn.1007-9564.2006.07.021
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 9, Issue 7,2006, Pages 755-755, doi:10.3969/j.issn.1007-9564.2006.07.080