effect of sublethal concentrations ( 0.0083 , 0.0055 , 0.0041 , 0.0033 and 0.0028 mg/l ) of sodium penta-chlorophenate ( na-pcp ) on the enzymes sdh , pdh and ldh in brain , liver and gills of notopterus notopterus after 15 ad 30 days exposure were studied .
C0086045
concentrations
C0006104
brain