1. Yamaletdinova G. F., Dukhovskaya N. E., Ostrovskaya I. G. The study of mixed saliva indices in patients with arterial hypertension on the background of type 2 diabetes mellitus. Biochemistry in medical practice.2019:85-88.
2. Avakova DR, et al. Analysis of local defense factors in the oral cavity in patients with rheumatoid arthritis (comparative clinical-immunological and biochemical study).Endodontics today. – 2017;15(4):19-23.
3. Tardov M, Boldin A, Mitronin AV, Zaushnikova TS Modern view on the etiology and features of pathogenesis of Costen's syndrome. Cathedra-Cathedra. Dental Education. 2019;69:24-28.
4. Gafforov S, Mitronin AV, Belenova IA, Yarieva O. The significance of medico-social factors in the etiology of carious and non-carious diseases among children and adolescents. Cathedra-Cathedra. Dental education. 2019;69:62-66.
5. Holmstrup P. et al. Comorbidity of periodontal disease: two sides of the same coin? An introduction for the clinician.Journal of oral microbiology. 2017; (9):1 DOI:10.1080/20002297.2017.1332710.