Vincent2, J. S. M. S. K. S. “Determination of Median Tolerance Limit (LC50) of Clarias Batrachus for Cadmium Chloride and Mercuric Chloride”. Recent Research in Science and Technology, vol. 3, no. 11, Oct. 2011, https://updatepublishing.com/journal/index.php/rrst/article/view/827.