Brinsko , Steven P., Jennifer A. Spooner, Terry L. Blanchard, Charles C. Love, and Dickson D. Varner. 2011. “Relationships Among Morphologic Characteristics And Membrane Integrity Of Stallion Sperm”. Clinical Theriogenology 3 (1):55-60. https://clinicaltheriogenology.net/index.php/CT/article/view/10132.