C. N. Alonso, C. Castañeira, A. F. Bragulat, and L. Losinno, “Effect of egg yolk-based extender and seminal plasma removal on sperm viability of cooled donkey semen”, Braz. J. Vet. Res. Anim. Sci., vol. 58, p. e174301, Apr. 2021, doi: 10.11606/issn.1678-4456.bjvras.2021.174301.