Blanchard , T. L., D.D. Varner, S.P. Brinsko, and T. Taylor. “Equine Obstetrics: Mutation and Delivery by Traction*”. Clinical Theriogenology 2, no. 2 (April 1, 2010): 119-121. Accessed March 28, 2026. https://clinicaltheriogenology.net/index.php/CT/article/view/11337.