KATAKAM, N.; DURGARAJU, S. Prevalence of vitamin B12 deficiency in elderly population with dementia. International Journal of Health and Clinical Research, [S. l.], v. 3, n. 12, p. 110–114, 2020. Disponível em: https://ijhcr.com/index.php/ijhcr/article/view/565. Acesso em: 22 may. 2022.