Crupkin, A. C.; Menone, M. L. Changes in the Activities of Glutathione-S-Transferases, Glutathione Reductase and Catalase After Exposure to Different Concentrations of Cadmium in Australoheros Facetus (Cichlidae, Pisces). Ecotoxicol. Environ. Contam. 2013, 8, 21-25.