Long-term clinical observation of patients with acute and chronic complete spinal cord injury after transplantation of NeuroRegen scaffold - Fengwu Tang; Jiaguang Tang; Yannan Zhao; Jiaojiao Zhang; Zhifeng Xiao; Bing Chen; Guang Han; Na Yin; Xianfeng Jiang; Changyu Zhao; Shixiang Cheng; Ziqiang Wang; et al. (Science China Life Sciences, 2022)