Kolenko Ю. Г., Synko А. О., and Gryg Н. І. “Systemic Immune Inflammation Index As a Useful Prognostic Indicator in the Prediction of Chronic Aphthous Stomatitis”. Actual Dentistry, no. 4, Aug. 2024, p. 12, doi:10.33295/1992-576X-2024-4-12.