“Study of D-Dimer, CRP & Ferritin Status As Independent Risk Factors for Severity of the Clinical Aspects in Patients With COVID-19 in Erbil, Iraq: Https: doi.org 10.4314 ajhs.V35i6.6”. 2024. African Journal of Health Sciences 35 (6): 709-20. https://ojs.ajhsjournal.or.ke/index.php/home/article/view/205.