Supplementary Material
Commentary by Choll W. Kim, MD, PhD, and Steven R. Garfin, MD
PDF File: Six additional tables presenting comparisons of patients with central stenosis and lateral stenosis, severe and moderate central stenosis, single-level and multiple-level stenosis, arthrodesis or no arthrodesis, various types of spondylolisthesis, and with and without revision surgery
PDF File: Abstract in Japanese
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