For citations:

Sokolovskaya T.A., Armashevskaya O.V., Sachek O.I. The main trends in the morbidity of children in the first year of life in the Russian Federation. Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics). 2021;66(6):39-45. (In Russ.) https://doi.org/10.21508/1027-4065-2021-66-6-39-45