Macedo , S., A. Filipe, T. Guimarães, and A. Rocha. “Single Layer Density Centrifugation Improved Semen Quality in a Stallion With Hydrocele”. Clinical Theriogenology, vol. 13, no. 1, Mar. 2021, pp. 56-59, doi:10.58292/ct.v13.9363.