Zheng, Jun, Hong Zhao, and Xinru Wu. “Quality of Life and Its Influencing Factors in Urban Elderly Patients With Chronic Diseases”. Journal of Geriatric Medicine 1, no. 1 (May 22, 2019): 22–24. Accessed December 4, 2024. https://journals.bilpubgroup.com/index.php/jgm/article/view/690.