Abdulah, Deldar Morad, and Hemin Khalid Saber. “Clinical Features, Severity, and Outcomes of Patients With COVID-19 Infection: A Follow-up Study”. Annals of Clinical and Biomedical Research 2, no. 2 (October 11, 2021). Accessed October 5, 2024. https://africa.pagepress.net/acbr/article/view/159.