Ferrer M. S., Williamson L., Palomares R. A., Hurley D. J., Hoyos-Jaramillo A., and Urdaneta J. “Semen Extender Type and Cold Storage of Tissue Affect Cryosurvival of Alpaca Epididymal Sperm ”. Clinical Theriogenology, vol. 10, no. 4, Dec. 2018, pp. 419-25, doi:10.58292/ct.v10.9899.