For citations:

Yarmolenko O.A., Malaeva E.G., Mamchenko I.L., Aleynykova T.V., Kobruseva L.A., Khudyakov I.A., Menshakova M.N., Malasсhenko E.I. Overlap syndrome in hepatology. Health and Ecology Issues. 2023;20(2):135-140. (In Russ.) https://doi.org/10.51523/2708-6011.2023-20-2-17