Letter to the Editor concerning “Correlations between sedimentation sign, dural sac cross-sectional area, and clinical symptoms of degenerative lumbar spinal stenosis” by Sangbong Ko (Eur Spine J [2018] 27:1623–1628)

[摘要] With interest, we have read the article entitled “Correlations between sedimentation sign, dural sac cross-sectional area, and clinical symptoms of degenerative lumbar spinal stenosis” written by Sangbong Ko.