. 2015 Jan-Mar;40(1):29–37. doi: 10.4103/0971-6203.152244
Copyright: © Journal of Medical Physics
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.