Kohsaka, T., D. Sagata, I. Minagawa, H. Kohriki, A. M. Pitia, Y. Sugii, M. Morimoto, N. Uera, M. Shibata, H. Sasada, and Y. Hasegawa. “Expression and Localization of RLF/ INSL3 Receptor RXFP2 in Boar Testes”. Italian Journal of Anatomy and Embryology, vol. 118, no. 1, Jan. 2014, pp. 23-25, https://oajournals.fupress.net/index.php/ijae/article/view/3215.