Kronka, R. N., Ohashi, K., Machado, J. A., & Tanimoto, R. M. (2014). Antibiotics in swine rations. Pesquisa Agropecuaria Brasileira, 17(11), 1685-1689. https://doi.org/10.1590/S1678-3921.pab1982.v17.16392