Chinese Journal of Coal Industry Medicine, Volume 20, Issue 12,2017, Pages 1430-1433, doi:10.11723/mtgyyx 1007-9564 201712006
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Chinese Journal of Coal Industry Medicine, Volume 20, Issue 12,2017, Pages 1411-1414, doi:10.11723/mtgyyx 1007-9564 201712002
Chinese Journal of Coal Industry Medicine, Volume 20, Issue 12,2017, Pages 1452-1455, doi:10.11723/mtgyyx 1007-9564 201712011