VITAMIN B12 DEFITSIT ANEMIYA XAVF OMILI SIFATIDA. ОБРАЗОВАНИЕ НАУКА И ИННОВАЦИОННЫЕ ИДЕИ В МИРЕ, [S. l.], v. 63, n. 1, p. 9–16, 2025. Disponível em: https://scientific-jl.com/obr/article/view/1338. Acesso em: 3 aug. 2025.