. 2011 Oct-Dec;15(4):402–405. doi: 10.4103/0972-124X.92580
Copyright: © Journal of Indian Society of Periodontology
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.
