Citation:Silva, K.T.U. and Pathiratne, A. (2007) Influence of cadmium in brain and muscle cholinesterase in Nile tilapia (Oreochromis niloticus): implications for bio-monitoring of aquatic pollution. Proceedings of the 10th Annual Scientific sessions of the Sri Lanka Association for Fisheries and Aquatic Resources, Sri Lanka Association for Fisheries and Aquatic Resources, Colombo, Sri Lanka. (Abstract) p.11.