Chinese Journal of Coal Industry Medicine, Volume 20, Issue 9,2017, Pages 1064-1067, doi:10.11723/mtgyyx 1007-9564 201709018
Chinese Journal of Coal Industry Medicine, Volume 20, Issue 9,2017, Pages 1114-1117, doi:10.11723/mtgyyx 1007-9564 201709031
Chinese Journal of Coal Industry Medicine, Volume 20, Issue 9,2017, Pages 1039-1042, doi:10.11723/mtgyyx 1007-9564 201709012
Chinese Journal of Coal Industry Medicine, Volume 20, Issue 9,2017, Pages 1100-1103, doi:10.11723/mtgyyx 1007-9564 201709027