Torres, Alexandre A. Arenales, et al. “Macroscopic and Microscopic Findings in a Set of Congenital Anomalies in Two Calves Produced Through in Vitro Production”. Brazilian Journal of Veterinary Pathology, vol. 6, no. 2, July 2013, pp. 65-68, https://doi.org/10.24070/bjvp.1983-0246.006011.