Chang, Guobin, Rong Chen, Ying Zhang, Aiqin Dai, Teng Ma, and Guohong Chen. 2013. “Cloning and Analysis of PiRNAs from Testes of Three Species”. The Thai Journal of Veterinary Medicine 41 (2):193-98. https://he01.tci-thaijo.org/index.php/tjvm/article/view/9528.