S. Nanda Kumar, and Aastha Neupane. “Prevalence of Cognitive Impairment in Urban Elderly Population and Its Association With Their Physical Activity”. Asian Pacific Journal of Health Sciences 5, no. 3 (September 30, 2018): 216–224. Accessed March 29, 2024. https://apjhs.com/index.php/apjhs/article/view/312.