Sivakumar, J.; Anitha, G.; Ponnazhagan, K. Role of C-Reactive Protein, Lactate Dehydrogenase, Vitamin D, and Interleukin-6 in the Prognosis of COVID-19 – A Retrospective Study in a Tertiary Care Hospital in Tamil Nadu. Asian J Med Sci 2022, 13, 57-61.