Density‐Dependent Difference in Serum Levels of Immunoglobulin G in Brandt's Voles and Its Potential Influencing Factors. - Li, Guoliang; Zhang, Min; Huang, Shuli; He, Hongxuan; Wan, Xinrong; Wang, Fusheng; Zhang, Zhibin (Integrative Zoology, 2025)