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. African Journal of Health Sciences, [S. l.], v. 35, n. 6, p. 709–720, 2024. Disponível em: https://ojs.ajhsjournal.or.ke/index.php/home/article/view/205. Acesso em: 14 mar. 2026.