NB, Swetha, Angeline Grace, Sujitha P, and Umadevi R. “Out Of Pocket (OOP) Health Expenditure and Utilization of Financial Risk Protection Measures Among COVID-19 Affected Individuals in Chennai- A Cross-Sectional Study”. National Journal of Community Medicine 13, no. 07 (July 31, 2022): 453–457. Accessed April 20, 2024. https://www.njcmindia.com/index.php/file/article/view/2104.