COBALAMIN DEFICIENCY IN THE ELDERLY . Mediterranean Journal of Hematology and Infectious Diseases, [S. l.], v. 12, n. 1, p. e2020043, 2020. DOI: 10.4084/mjhid.2020.043. Disponível em: https://www.mjhid.org/mjhid/article/view/2020.043. Acesso em: 16 may. 2026.