Chinese Journal of Coal Industry Medicine, Volume 15, Issue 3,2012, Pages 391-392,
Chinese Journal of Coal Industry Medicine, Volume 15, Issue 3,2012, Pages 330-331,
Chinese Journal of Coal Industry Medicine, Volume 15, Issue 3,2012, Pages 374-377,
Chinese Journal of Coal Industry Medicine, Volume 15, Issue 3,2012, Pages 421-422,