The observation and clinical significance of redundant nerve roots of cauda equina in lumbar spinal stenosis
REN Tao, ZHENG Ming-hui, WANG Xiang, FENG Shi-feng,QU Dong-bin
Chinese Journal Of Clinical Anatomy . 2018, (2): 221 -225 .  DOI: 10.13418/j.issn.1001-165x.2018.02.020