The difference of the nerve root sedimentation sign on MRI in patients between lumbar spondylolisthesis and lumbar disc herniation
TIAN Peng FU Xin SUN Xiaolei,DENG Shucai MA Xinlong
Tianjin Medical Journal . 2014, (12): 1216 -1218 .  DOI: 10.3969/j.issn.0253-9896.2014.12.018