3Chuartg [-[Y, Kuo CH, Chiu YW. et al. A case-control study ontherelationship of hearing function and blood concentrationsof lead, manganese, arsenic, and selenium [J]. Science of Total Environment, 2007,387 (5) :79-85.
4Chu J, Hua C J, Lift SY. Abwonrta]. auditory brainstem response formice treated with mercurial compounds involvement of excessivenitricoxide [J]. Toxicology, 2001, 35 ( 6 ) : 16211- 16222.
5Weenberg A, Iregeen A, Struwe G, et al. Manganese exposure in steel smelters a health hazard to the nervous system [ J ]. Scand J Work Environ Health, 1991,17 (3) :255-262.
6Prasherd, Mortat, Campop, et al. An European commission research project on the effects of exposure to noise and industrial chemicals on hearing and balance [J]. Int J Occupation Med Environ Health ,2002,15 ( 1 ) :5-11.
