OCAMPO, J. M. Vitamin B12 deficit and development of geriatric syndromes. Colombia Medica, [S. l.], v. 44, n. 1, p. 42–45, 2013. DOI: 10.25100/cm.v44i1.793. Disponível em: https://colombiamedica.univalle.edu.co/index.php/comedica/article/view/793. Acesso em: 10 mar. 2025.