Relationship Between Vitamin D Deficiency, Alzheimer’s Disease, and Cognitive Dysfunction in the Elderly: A Systematic Review. Research, Society and Development, [S. l.], v. 8, n. 12, p. e308121737, 2019. DOI: 10.33448/rsd-v8i12.1737. Disponível em: https://ojs34.rsdjournal.org/index.php/rsd/article/view/1737. Acesso em: 28 jun. 2025.