Vieira, P. de F. et al. 2014. Effects of zeranol and A, D and E vitamins. I. On the performance of finishing crossbred steers. Pesquisa Agropecuaria Brasileira. 24, 11 (Apr. 2014), 1357–1360. DOI:https://doi.org/10.1590/S1678-3921.pab1989.v24.16543.