Pandurangan V, Arun K, Marappa L, Madhavan S, Rajendran V, Gopalan S. CORRELATION OF SYSTEMIC IMMUNE-INFLAMMATION INDEX (SII) AND FERRITIN TO LYMPHOCYTE PERCENTAGE RATIO (FLPR) WITH NEUTROPHIL TO LYMPHOCYTE RATIO (NLR) AMONG PATIENTS WITH SEVERE COVID-19: A RETROSPECTIVE OBSERVATIONAL STUDY FROM INDIA. East. Ukr. Med. J. [Internet]. 2025Mar.29 [cited 2026Jul.7];13(1):198-0. Available from: https://eumj.med.sumdu.edu.ua/index.php/journal/article/view/796