Gao, Qingjing, et al. “Seasonal Patterns of Prolactin, Prolactin Receptor, and STAT5 Expression in the Ovaries of Wild Ground Squirrels (<em>Citellus dauricus< Em> Brandt)”. European Journal of Histochemistry, vol. 67, no. 4, Oct. 2023, doi:10.4081/ejh.2023.3825.