Sirivaidyapong, S., and T. Swangchan-uthai. “THE EPIDIDYMAL SPERM SURVIVAL INTERVAL FOLLOWING ORCHIDECTOMY IN DOGS”. The Thai Journal of Veterinary Medicine, vol. 33, no. 3, July 2015, pp. 51-57, https://he01.tci-thaijo.org/index.php/tjvm/article/view/37656.