KLIUCHKA, Ye. A., SOKOLOVA, I. I., TUCHKINA, I. A. and PIONTKOVSKAYA, O. V. Factors responsible for formation of severity of inflammatory parodontal diseases in adolescent girls with menstrual dysfunction. Journal of Education, Health and Sport. Online. 30 June 2017. Vol. 7, no. 6, pp. 1160-1168. [Accessed 18 December 2025].