Histopathological alterations in gills of freshwater prawn, Macrobrachium dayanum (Crustacea - Decapoda) after acute and sub-acute exposure of lead nitrate Journal title: Journal of Applied and Natural Science Authors: Sanjive Shukla, Kunwer Ji Tiwari, Harnam Singh Lodhi, Sandeep Shukla, Anand Mishra, U. D. Sharm... Subject(s):