Fujimoto, R.Y. et al. 2007. Body composition and nutrient efficiency use by pacus fed on ration supplemented with chromium. Pesquisa Agropecuaria Brasileira. 42, 12 (Dec. 2007), 1763–1768. DOI:https://doi.org/10.1590/S1678-3921.pab2007.v42.7760.