TO CORRELATE THE ROLE OF SERUM FERRITIN AND D-DIMER AS A PROGNOSTIC BIOMARKER IN COVID-19 DISEASE. FMHR [Internet]. 2026 Mar. 31 [cited 2026 Sep. 21];4(3):3077-8. Available from: https://fmhr.net/index.php/fmhr/article/view/3671