J. A. Rodrigues, C. de F. Lúcio, L. C. G. Silva, G. A. L. Veiga, C. Niemeyer, and C. I. Vannucchi, “Peripartum clinical and hemodynamic evaluation of Holstein cows under distinct obstetric conditions”, Braz. J. Vet. Res. Anim. Sci., vol. 47, no. 6, pp. 468–476, Dec. 2010, doi: 10.11606/issn.1678-4456.bjvras.2010.26809.