Favoretto, V.; Vieira, P. de F.; Sampaio, A. A. M.; Oliveira, M. D. S. de; Malheiros, E. B. Effect of Zeranol on the Performance of Guzerá Steers Grazing on Guinea Grass Alone or on Grass Legume. PAB 2014, 25 (3), 427-434. https://doi.org/10.1590/S1678-3921.pab1990.v25.13427.