Salih, Taif M, and Maha Sh Mahmood. “An Evaluation of the Effectiveness of Coenzyme Q10 Gel in Management of Patients With Chronic Periodontitis (II Inter Group Comparison) ”. Journal of Baghdad College of Dentistry, vol. 28, no. 1, Mar. 2016, pp. 127-32, https://doi.org/10.12816/0024721.