Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Tsunoda Keishi and Morikawa Minoru and Nagata Izumi,Clinical Study of C3-4 Level Cervical Spondylotic Myelopathy,Spinal Surgery,0914-6024,The Japanese Society of Spinal Surgery,2009,23,1,24-28,https://cir.nii.ac.jp/crid/1390282680209099392,https://doi.org/10.2531/spinalsurg.23.24