LOGARAJ MUTHUNARAYANAN; NELLAIAPPA GANESAN KRISHNAN; NOOR MOHAMED RASIK BUHARI SAREEF RAJU KANNAN SAMPATH; MATHEW ARUMAI MARIASELVAM. Association of Comorbidity and Mortality among COVID 19 Patients Admitted in a Tertiary Care Hospital in Tamil Nadu: A Case-Control study. National Journal of Research in Community Medicine, [S. l.], v. 11, n. 1, p. 005–010, 2024. Disponível em: https://journal.njrcm.com/index.php/njrcm/article/view/204. Acesso em: 21 apr. 2026.