M. R. Silva, E. J. H. de Paula, D. F. P. Oliveira, K. F. Cervelati, and M. da S. M. Pinheiro, “Use of the technique of ultrasonography in the evaluation of the housing of cattle live”, Pubvet, vol. 5, no. 21, Sep. 2015, doi: 10.22256/pubvet.v5n21.1134.