. 2013 Jan-Jun;7(13):67–72. doi: 10.4103/0973-7847.112852
Copyright: © Pharmacognosy Reviews
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.