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. 2017 Mar 9;39:e2017009. doi: 10.4178/epih.e2017009

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©2017, Korean Society of Epidemiology

This is an open-access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 2. — Roles of paan and gutkha in oral submucous fibrosis [42,43]. ROS, reactive oxygen species.