Subramanya, P.B., Khan, N.J., Mahendra, M., Khan, I. and Ravikumar, N. 2022. Correlation of CALL score with disease progression in COVID-19 patients. International Journal of Research in Medical Sciences. 10, 5 (Apr. 2022), 1035–1040. DOI:https://doi.org/10.18203/2320-6012.ijrms20221013.