. 2012 Jan-Apr;18(1):45–51. doi: 10.4103/0973-1075.97354
Copyright: © Indian Journal of Palliative Care
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.