Ning, Chen Yan, Deng Hui Yan, Zhang Pei, Su Li Hong, Guo Xiao Juan, and Liu Yue Ping. 2014. “Bufalin Inhibits the Proliferation of Human Esophageal Carcinoma TE13 Cells through Down-Regulation of ERK”. Asian Journal of Pharmacy, Nursing and Medical Sciences 2 (5). https://ajouronline.com/index.php/AJPNMS/article/view/1707.