For citations:

Olevskaya E.R., Ivantsova M.A., Trushnikov D.V., Sandratskaya A.V., Kovalevsky A.D. On the 70th anniversary of Valery N. Novikov. Filin’s Clinical endoscopy. 2025;67(1):106-108. (In Russ.) https://doi.org/10.31146/2415-7813-endo-67-1-106-108