6Norwood W P, Borgmann U, Dixon D G. Chronic toxicity of arsenic, cobalt, chromium and manganese to Hyalella Azteea in relation to exposure and bioaceumulation[J]. Environmental Pollution, 2007, 147(I): 262-272.
7Kaise T, Oyaohta Y, Ochi T. Toxicological study of organic arsenic compound in marine algae using mammalian cell culture technique[J]. Food Hug, 1996, 37:135-141.
8Tsuda T, Babazono A, Ogawa T. Inorganic arsenic: A dangerous enigma for man kind. APPL [J]. ORGANOMET. CHEM, 1992, 6: 309-322.