CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 13, Issue 12,2010, Pages 1897-1898,
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 13, Issue 12,2010, Pages 1818-1818,
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 13, Issue 12,2010, Pages 1813-1814,
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 13, Issue 12,2010, Pages 1844-1845,
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 13, Issue 12,2010, Pages 1783-1783,