effect of sublethal concentrations , 0.088 , 0.044 , 0.029 , 0.022 and 0.0176 mg hgcl2 per liter ( 1/5 , 1/10 , 1/15 , 1/20 , and 1/25 fractions of 96-h lc50 ) on na+-k+ , mg2+ , and total atpase activities in brain , gills , kidney and liver of notopterus notopterus have been studied after 30 days exposure .
C0086045
concentrations
C0006104
brain