Ulrich, L. E. F., Nogueira, E. L., Teixeira, L. M., Ely, L. S., Filho, J. C. B., & Neto, A. C. (2013). Early versus late-onset major depression in the elderly: a comparative study. PAJAR - Pan-American Journal of Aging Research, 1(1), 8–15. Recuperado de https://revistaseletronicas.pucrs.br/ojs/index.php/pajar/article/view/15790