Kuzenko, Y., and A. Romaniuk. “Identification of Epulis Patients With a High Risk of Periodontal Diseases: Dna Infrared Spectra, Expression MGMT and P53 by and Apoptosis Analysis”. Experimental and Clinical Medicine, Vol. 63, no. 2, 1, pp. 91-101, https://ecm.knmu.edu.ua/article/view/69.