Chinese Journal of Coal Industry Medicine, , Issue 9,2014, Pages 1525-1527, doi:10.11723/mtgyyx1007-9564201409051
Chinese Journal of Coal Industry Medicine, , Issue 9,2014, Pages 1450-1452,1453, doi:10.11723/mtgyyx1007-9564201409025
Chinese Journal of Coal Industry Medicine, , Issue 9,2014, Pages 1466-1468, doi:10.11723/mtgyyx1007-9564201409031
Chinese Journal of Coal Industry Medicine, , Issue 9,2014, Pages 1505-1507, doi:10.11723/mtgyyx1007-9564201409044
Chinese Journal of Coal Industry Medicine, , Issue 9,2014, Pages 1483-1487, doi:10.11723/mtgyyx1007-9564201409037