For citations:
Khorkova E.V., Lyalina L.V., Mikailova O.M., Kovelenov A.Yu., Ostankova Yu.V., Valutite D.E., Stasishkis T.A., Tsvetkov V.V., Novak K.E., Rishnyak O.Yu., Kritskaya I.V., Buts L.V., Tyagunov D.S. Current Issues of Epidemiological Surveillance of Chronic Viral Hepatitis B, C, D and Hepatocellular Carcinoma at the Regional Level. Public Health and Life Environment – PH&LE. 2021;29(8):76-84. (In Russ.) https://doi.org/10.35627/2219-5238/2021-29-8-76-84