Rosa, Ivan Valadão, et al. “Effect of Barn Feeding on “cara Inchada“ (periodontal Disease) in Calves”. Pesquisa Agropecuaria Brasileira, vol. 11, no. 9, Apr. 2014, pp. 59-63, https://doi.org/10.1590/S1678-3921.pab1976.v11.17008.