Winslow , C., C. Lyman, S. Hayden, J. Cohen, J. Taylor, and G. R. Holyoak. “Cushioned Centrifugation Improves Recovery Rate and Viability of Canine Sperm”. Clinical Theriogenology, vol. 11, no. 2, June 2019, pp. 127-30, doi:10.58292/CT.v11.11169.