CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 8, Issue 11,2005, Pages 1244-1245,
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 8, Issue 11,2005, Pages 1180-1181,
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 8, Issue 11,2005, Pages 1174-1175,
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 8, Issue 11,2005, Pages 1179-1180,
CHINESE JOURNAL OF COAL INDUSTRY MEDICINE, Volume 8, Issue 11,2005, Pages 1246-1247,