Evaluation of biochemical and redox parameters in rats fed with corn grown in soil amended with urban sewage sludge - Grotto, Denise; Carneiro, Maria Fernanda Hornos; Sauer, Elisa; Garcia, Solange Cristina; Melo, Wanderley José de Melo; Barbosa Júnior, Fernando (Ecotoxicology and Environmental Safety, 2013)