Thayyil, J., Padmanabhan, A., Gangadharan, A. and Annikady, N. 2022. Epidemiological study of COVID-19 mortality in a tertiary care center of South India. International Journal Of Community Medicine And Public Health. 9, 11 (Oct. 2022), 4074–4080. DOI:https://doi.org/10.18203/2394-6040.ijcmph20222640.