Chinese Journal of Coal Industry Medicine, Volume 22, Issue 6,2019, Pages 618-622, doi:10.11723/mtgyyx 1007-9564 201906014
Chinese Journal of Coal Industry Medicine, Volume 22, Issue 6,2019, Pages 666-669, doi:10.11723/mtgyyx 1007-9564 201906025
Chinese Journal of Coal Industry Medicine, Volume 22, Issue 6,2019, Pages 610-613, doi:10.11723/mtgyyx 1007-9564 201906012
Chinese Journal of Coal Industry Medicine, Volume 22, Issue 6,2019, Pages 606-610, doi:10.11723/mtgyyx 1007-9564 201906011
Chinese Journal of Coal Industry Medicine, Volume 22, Issue 6,2019, Pages 565-571, doi:10.11723/mtgyyx 1007-9564 201906002