R.A.A.R. Ranatunga, M. R. Wijesinghe, W.D. Ratnasooriya  & R. Wijesekera (2010).  Effects of cadmium on the haematological parameters of the Mozambique tilapia, Oreochromis mossambicus. Proceedings of the 30th Annual Sessions of the Institute of Biology Sri Lanka, p. 17.