Al-Umairi, R. S., J. Al-Kalbani, S. Al-Tai, A. Al-Abri, F. Al-Kindi, and A. Kamona. “COVID-19 Associated Pneumonia: A Review of Chest Radiograph and Computed Tomography Findings”. Sultan Qaboos University Medical Journal [SQUMJ], vol. 21, no. 1, Mar. 2021, pp. e4-11, doi:10.18295/squmj.2021.21.01.002.