Zhang, Xiangeng, Hui Zhang, Dezhong Peng, Lin Lin, Jing Gao, Yiqing Yang, Qin Liu, Hongyan Wang, Yujia Mao, and Miqu Wang. “Altered Gene-Expression Profile in Rat Plasma and Promoted Body and Brain Development by Environmental Enrichment”. African Journal of Biotechnology 12, no. 20 (March 7, 2016). Accessed August 16, 2026. https://www.ajol.info/index.php/ajb/article/view/131624.