Menezes, Gabriel Felipe Oliveira de, et al. “Utilization of the Osmotic Shock to Assess the Frozen Ram Semen Viability”. Brazilian Journal of Veterinary Research and Animal Science, vol. 50, no. 5, Oct. 2013, pp. 396-05, https://doi.org/10.11606/issn.2318-3659.v50i5p396-405.