Zhang, F., J. Wang, Y. Jiao, L. Zhang, H. Zhang, X. Sheng, Y. Han, Z. Yuan, and Q. Weng. 2016. “Seasonal Changes of Androgen Receptor, Estrogen Receptors and Aromatase Expression in the Medial Preoptic Area of the Wild Male Ground Squirrels (Citellus Dauricus Brandt)”. European Journal of Histochemistry 60 (2). https://doi.org/10.4081/ejh.2016.2621.