Aggarwal, J., J. Batra, S. Tomo, R. Bhagat, and P. Katara. “Analysis of Biochemical and Immune Biomarker Abnormalities Associated With Severe Illness and Mortality in COVID -19 Disease”. International Journal of Health Sciences, vol. 6, no. S1, Mar. 2022, pp. 2021-7, doi:10.53730/ijhs.v6nS1.4980.