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Ashish Jain; Srishti Jain; Rajeev Kasliwal; Ravi Jain; Nimish Mathur; Rohit Jain; Munesh Meena; Prachi Verma; Divyansh Gupta. Charlson Comorbidity Index Score and Its Impact on Severe Outcome and Death in COVID-19 Cases: A Retrospective Analysis. Int. J. Heal. Clin. Res. 2021, 4, 342-345.