CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 13, Issue 7,2010, Pages 1051-1052,
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 13, Issue 7,2010, Pages 1042-1043,
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 13, Issue 7,2010, Pages 1027-1028,
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 13, Issue 7,2010, Pages 973-975,
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 13, Issue 7,2010, Pages 1007-1008,