. 2012 Jul-Dec;1(2):132–136. doi: 10.4103/2249-4863.104984
Copyright: © Journal of Family Medicine and Primary 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.
Table 1.
Comparison of the characteristics of cases and controls
