SHERVANI, Z. COVID-19 in Kerala: Health Index Theory. European Journal of Medical and Health Sciences, [S. l.], v. 3, n. 2, p. 21–24, 2021. DOI: 10.24018/ejmed.2021.3.2.781. Disponível em: https://ejmed.org/index.php/ejmed/article/view/781. Acesso em: 2 dec. 2022.