Nicacio, Alessandra Corallo, et al. “Cryopreservation and in Vitro Survival of Bovine Embryos”. Brazilian Journal of Veterinary Research and Animal Science, vol. 43, no. 1, Feb. 2006, pp. 51-56, https://doi.org/10.11606/issn.1678-4456.bjvras.2006.26517.