Pereira, A. R., L. F. Prada e Silva, L. K. Molon, P. F. Machado, and G. Barancelli. “Effects of Somatic Cell Levels on Milk Components I-Fat and Protein”. Brazilian Journal of Veterinary Research and Animal Science, vol. 36, no. 3, Jan. 1999, pp. 121-4, doi:10.1590/S1413-95961999000300003.