Bysani Swaroop, Sindhu N, Parthasarathi A, Gautam M, and P. G. U. G U. “Chest Computed Tomography Manifestations of Covid-19 : In Relation to Duration of Symptoms”. International Journal of Health and Clinical Research, vol. 4, no. 11, June 2021, pp. 33-40, https://www.ijhcr.com/index.php/ijhcr/article/view/1724.