The corticospinal tract structure of collagen/silk fibroin scaffold implants using 3D printing promotes functional recovery after complete spinal cord transection in rats. - Li, Xiao-Hong; Zhu, Xiang; Liu, Xiao-Yin; Xu, Hai-Huan; Jiang, Wei; Wang, Jing-Jing; Chen, Feng; Zhang, Sai; Li, Rui-Xin; Chen, Xu-Yi; Tu, Yue (Journal of Materials Science: Materials in Medicine, 2021)