TY - JOUR TI - Ferritin levels in critically ill patients with covid-19: A marker of outcome? AU - Dimopoulos, G. AU - Sakelliou, A. AU - Flevari, A. AU - Tzannis, K. AU - Giamarellos-Bourboulis, E.J. JO - Πνεύμων=: Pneumon PY - 2021 VL - 34 TODO - 2 SP - null PB - SELP Sellier European Law Publishers SN - 1105848x TODO - 10.18332/pne/135958 TODO - adult; adult respiratory distress syndrome; aged; clinical article; cohort analysis; controlled study; coronavirus disease 2019; ferritin blood level; hemophagocytic syndrome; HScore; human; Letter; macrophage activation; mortality; multiple organ failure; myocarditis; scoring system; virus load TODO - null ER -