Parasher, A., Saini, V., Saini, A., Barik, R.R., Aggarwal, A. and Khan, J. 2020. A study of the association of leukopenia with disease severity and mortality in patients diagnosed with COVID-19. International Journal of Advances in Medicine. 7, 11 (Oct. 2020), 1721–1725. DOI:https://doi.org/10.18203/2349-3933.ijam20204526.