. 2016 May-Jun;61(3):261–264. doi: 10.4103/0019-5154.182410
Copyright: © 2016 Indian Journal of Dermatology
This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.
Figure 1.
Example of a cross-sectional study