Nur’aeny, N., Gurnida, D. A., Suwarsa, O., & Sufiawati, I. (2020). Serum Level of IL-6, Reactive Oxygen Species and Cortisol in Patients with Recurrent Aphthous Stomatitis related Imbalance Nutrition Intake and Atopy. Journal of Mathematical and Fundamental Sciences, 52(3), 286-296. https://doi.org/10.5614/j.math.fund.sci.2020.52.3.3