. 2012 Jul-Dec;3(2):58–61. doi: 10.4103/0974-8237.116538
Copyright: © Journal of Craniovertebral Junction and Spine
This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.