Alghazali, D. M., M. A. Maamera, H. F. Alkazraji, and A. A. Abutiheen. “Spectrum of Ground Glass Opacities in Chest CT of COVID-19 Patients in Karbala, Iraq”. Journal of Contemporary Medical Sciences, vol. 6, no. 3, June 2020, pp. 140-5, doi:10.22317/jcms.v6i3.769.