Erichev, V., Risovannij, S., Ovcharenko, E. and Melekhov, S. 2020. Efficiency of application of probiotics for correction of microbiocenosis and cytokine balance of the oral cavity of patients with chronic inflammatory diseases of periodontium. Clinical Dentistry (Russia). 3 (Sep. 2020), 44—47. DOI:https://doi.org/10.37988/1811-153X_2020_3_44.