J., R.; R., R.; S., S. R. A cross-sectional study on prevalence of cognitive impairment and its associated factors among the elderly in an urban area of Chennai, India. International Journal Of Community Medicine And Public Health, [S. l.], v. 7, n. 12, p. 5126–5133, 2020. DOI: 10.18203/2394-6040.ijcmph20205196. Disponível em: https://www.ijcmph.com/index.php/ijcmph/article/view/7155. Acesso em: 27 nov. 2025.