For citations:

Bogomolova I.K., Peregoedova V.N. Features of supply and approaches to the use of vitamin D in children in the post-COVID period. Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics). 2024;69(4):109-115. (In Russ.) https://doi.org/10.21508/1027-4065-2024-69-4-109-115