Metformin promotes angiogenesis and functional recovery in aged mice after spinal cord injury by adenosine monophosphate-activated protein kinase/endothelial nitric oxide synthase... oleh Jin-Yun Zhao, Xiao-Long Sheng, Cheng-Jun Li, Tian Qin, Run-Dong He, Guo-Yu Dai, Yong Cao, Hong-Bin Lu, Chun-Yue Duan, Jian-Zhong Hu