Vianna, L. C., Müller, E. E., Freitas, J. C. de, Pretto-Giordano, L. G., Salvador, R., & Dias, J. A. (2002). Aetiology of the intramammary infections and somatic cell counts in primiparae cows. Semina: Ciências Agrárias, 23(1), 3–8. https://doi.org/10.5433/1679-0359.2002v23n1p3