Chinese Journal of Coal Industry Medicine, Volume 18, Issue 9,2015, Pages 1494-1496, doi:10.11723/mtgyyx 1007-9564 201509015
Chinese Journal of Coal Industry Medicine, Volume 18, Issue 9,2015, Pages 1500-1502, doi:10.11723/mtgyyx 1007-9564 201509017
Chinese Journal of Coal Industry Medicine, Volume 18, Issue 9,2015, Pages 1510-1514, doi:10.11723/mtgyyx 1007-9564 201509020
Chinese Journal of Coal Industry Medicine, Volume 18, Issue 9,2015, Pages 1503-1505, doi:10.11723/mtgyyx 1007-9564 201509018
Chinese Journal of Coal Industry Medicine, Volume 18, Issue 9,2015, Pages 1591-1594, doi:10.11723/mtgyyx 1007-9564 201509043