Jaramillo, S.; Villa, N. A.; Pineda, A. F.; Gallego, Á. B.; Tabares, P.; Ceballos, A. Blood activity of superoxide dismutase and glutathione peroxidase in grazing dairy heifers. PAB 2005, 40 (11), 1115-1121. https://doi.org/10.1590/S1678-3921.pab2005.v40.7072.