Ravi Krishnegowda, Avinash Hanbe Rajanna, Bhargav V Bhat, and Yamini Marimuthu. “To Compare COVID-19 Disease in Elderly (young Old and Elderly-Old) in a Tertiary Care Center”. Asian Journal of Medical Sciences, vol. 13, no. 9, Sept. 2022, pp. 6-10, doi:10.3126/ajms.v13i9.44883.