Purswell B.J., Althouse G.C., and Root Kustritz M.V. “Guidelines for Using the Canine Breeding Soundness Evaluation Form*”. Clinical Theriogenology 2, no. 1 (December 1, 2010): 51-59. Accessed February 21, 2025. https://clinicaltheriogenology.net/index.php/CT/article/view/11374.