Chinese Journal of Coal Industry Medicine, Volume 15, Issue 1,2012, Pages 86-87,
Chinese Journal of Coal Industry Medicine, Volume 15, Issue 1,2012, Pages 73-74,
Chinese Journal of Coal Industry Medicine, Volume 15, Issue 1,2012, Pages 55-56,
Chinese Journal of Coal Industry Medicine, Volume 15, Issue 1,2012, Pages 144-146,
Chinese Journal of Coal Industry Medicine, Volume 15, Issue 1,2012, Pages 71-73,