Arthi Balasubramaniam, and Meignana Arumugham I. “Salivary Oxidative Stress Level Among Tobacco Chewers and Smokers- A Comparative Study”. Journal of Population Therapeutics and Clinical Pharmacology, vol. 30, no. 6, Apr. 2023, pp. 37-45, https://doi.org/10.47750/jptcp.2023.30.06.006.