Root Kustritz M. V., Slater M. R., Weedon G. R., & Bushby P. A. (2017). Determining Optimal Age For Gonadectomy In The Dog: A Critical Review Of The Literature To Guide Decision Making. Clinical Theriogenology, 9(2), 167-211. Retrieved from https://clinicaltheriogenology.net/index.php/CT/article/view/10074