El Kassas, Mohamed, Noha Asem, Amr Abdelazeem, Ahmad Madkour, Hamdy Sayed, Ahmed Tawheed, Ahmed Al Shafie, Mahmoud Gamal, Hassan Elsayed, Mohamed Badr, Mohamed Hassany, Dalia Omran, and Amr El Fouly. “Clinical Features and Laboratory Characteristics of Patients Hospitalized With COVID-19: Single Centre Report from Egypt”. The Journal of Infection in Developing Countries 14, no. 12 (December 31, 2020): 1352-1360. Accessed January 23, 2021. https://jidc.org/index.php/journal/article/view/33378275.