Chen Hui-ying, Jia Xiao-li, Zhao Shu-qin, Zheng Wei-hong, Mei Zhi-gang, Yang Hong-wei, Zhang Shi-zhong. Dual role of polyamines in heart ischemia/reperfusion injury through regulation of mitochondrial permeability transition pore. Acta Physiol Sin 2019; 71 (5): 681-688