For citations:

Shulpekova N.V., Belaya Zh.E., Galstyan G.R. Actualization of the role of Vitamin B₁₂ in physiology and endocrine disorders. Clinical Medicine (Russian Journal). 2021;99(9-10):509-520. (In Russ.) https://doi.org/10.30629/0023-2149-2021-99-9-10-509-520