J., Rajesh, Ramasubramanian R., and Santhanam R. S. “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 7, no. 12 (November 25, 2020): 5126–5133. Accessed November 27, 2025. https://www.ijcmph.com/index.php/ijcmph/article/view/7155.