K., S. R.; Suresh, A. G.; S., S. T.; Geetha, S. S.; K., V. K.; B., V. V.; Nithyanandham, S. K.; Palani, S. Clinical Profile and Outcome of Patients With Coronavirus Disease 2019 (COVID-19): A Large-Scale Observational Study from Tamil Nadu, India. Int J Community Med Public Health 2021, 8, 2388-2393.