A Study on Mortality Related to Covid 19 in Tertiary Care Teaching Hospital And Impact of Comorbidities on Covid 19 Deaths. International Journal of Environmental Sciences, [S. l.], p. 1450–1460, 2025. DOI: 10.64252/74g8nd06. Disponível em: https://theaspd.com/index.php/ijes/article/view/12545.. Acesso em: 26 apr. 2026.