. 2012 Nov 30;52(5):459–465. doi: 10.3340/jkns.2012.52.5.459
Copyright © 2012 The Korean Neurosurgical Society
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Table 2.
Grade of pedicle perforation
