1. A review on COVID-19: the epidemiology, transmission, impact on pregnancy and reproductive Health and its prevention;Wadood;J. Women's Health Care,2021
2. Worldometers.info. COVID-19 CORONAVIRUS PANDEMIC Dover, Delaware, U.S.A. 2021 [updated 31 August, 2021. Available from: https://www.worldometers.info/coronavirus/.
3. A trial of lopinavir–ritonavir in adults hospitalized with severe Covid-19;Cao;N. Engl. J. Med.,2020
4. Early high-titer plasma therapy to prevent severe covid-19 in older adults;Libster;N. Engl. J. Med.,2021
5. Features, Evaluation, and Treatment of Coronavirus (COVID-19);Cascella,2022