Effects of endosulfan sublethal concentrations on carp (Cyprinus carpio, Linnaeus, 1758): morphometric, hystologic, ultrastructural analyses and cholinesterase activity evaluation - Salvo, Lígia Maria; Sinhorini, Idércio Luiz; Malucelli, Benjamin Eurico; Klemz, Cláudio; Sanchez, Délia Carolina Olmedo; Nicaretta, Lílian; Malucelli, Maria Ivette Carboni; Bacila, Metry; Assis, Helena Cristina Silva de (Brazilian Journal of Veterinary Research and Animal Science, 2008)