7Lai JCK, Chan AWK, Leung TKC.Neuro-chemical changes in rats chronically treated with a high concentration of manganese chloride[J]. Neurochem Res, 1992, 17(9): 841 ~847.
8Chandra SV, Shukla GS. Manganese encephalopathy in growing rats[ J]. Environ Res, 1978,15: 28 ~ 37.
9Lai JCK, Leung TKC, Lim L. The ontogeng of acetylcholinesterase activities in rat brain regions and the effect of chronic treatment with manganese chloride [ J ]. J Neurochem, 1982,39:1767 ~ 1769.
10Misiewiciz A, Karmolinski M. Acetylcholinesterase activity in erythrocytes of workers engaged in the production of ironmanganese alloys[J]. Med Pr, 1992,43( 1 ) :47 ~ 51.