Effects of mercury intoxication on the response of horizontal cells of the retina of thraira fish (Hopilas malabaricus) - Tanan, C. L; Ventura, Dora Selma Fix; Souza, John Manuel de; Grotzner, S. R; Mela, M.; Gouveia Júnior, Amauri; Oliveira Ribeiro, C. A (Brazilian Journal of Medical and Biological Research, 2006)