Lee, H., J. Chang, and S. Ku. “An Immunohistochemical Study of the Pancreatic Endocrine Cells of the Korean Golden Frog, Rana Plancyi Chosenica”. European Journal of Histochemistry, vol. 56, no. 1, Jan. 2012, p. e5, doi:10.4081/ejh.2012.e5.