NB, Swetha; GRACE, Angeline; P, Sujitha; R, Umadevi. 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, [S. l.], v. 13, n. 07, p. 453–457, 2022. DOI: 10.55489/njcm.130720222104. Disponível em: https://njcmindia.com/index.php/file/article/view/2104. Acesso em: 30 jul. 2025.