Blanchard T. L., Varner D.D., Brinsko S.P., and Taylor T. “Equine Obstetrics: Mutation and Delivery by Traction*”. Clinical Theriogenology 2, no. 2 (April 1, 2010): 119-121. Accessed February 21, 2025. https://clinicaltheriogenology.net/index.php/CT/article/view/11337.