Fialho, Elias Tadeu, et al. “Chemical Composition and Salmonela Occurrence on Feedstuffs and Protein Mixes in Rations for Swine”. Pesquisa Agropecuaria Brasileira, vol. 20, no. 3, Apr. 2014, pp. 377-84, doi:10.1590/S1678-3921.pab1985.v20.15157.