Clark Sherrie. “Swine Reproduction for Nonswine Practitioners. Part 2.: Disorders of Swine That Affect Breeding Males and Females”. Clinical Theriogenology 14, no. 3 (September 1, 2022): 215-218. Accessed May 14, 2024. https://clinicaltheriogenology.net/index.php/CT/article/view/9677.