CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 9, Issue 4,2006, Pages 379-379, doi:10.3969/j.issn.1007-9564.2006.04.057
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 9, Issue 4,2006, Pages 411-411, doi:10.3969/j.issn.1007-9564.2006.04.088
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 9, Issue 4,2006, Pages 387-388, doi:10.3969/j.issn.1007-9564.2006.04.065
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 9, Issue 4,2006, Pages 404-405, doi:10.3969/j.issn.1007-9564.2006.04.080
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 9, Issue 4,2006, Pages 347-347, doi:10.3969/j.issn.1007-9564.2006.04.027