For citations:

Yatsenko A.K., Larionova D.B., Artyukova O.A., Plotnikova I.N. Manifestation of В₁₂ deficiency in the oral cavity. Pacific Medical Journal. 2020;(2):90-91. (In Russ.) https://doi.org/10.34215/1609-1175-2020-2-90-91