Shenoy, G. C., M. Ramaiah, S. Kamaraddi, P. Somashekar, and S. K. Subramanya. “Comparison of Neutrophil-Lymphocyte Ratio Among Severe Acute Respiratory Illness COVID-19 Positive and Negative Patients and to Correlate With Disease Severity”. International Journal of Advances in Medicine, vol. 8, no. 8, July 2021, pp. 1120-6, doi:10.18203/2349-3933.ijam20212756.