{Reference Type}: Letter {Title}: Regarding γ' fibrinogen levels as a biomarker of COVID-19 respiratory disease severity. {Author}: Wang S;Yu D;Zhang J; {Journal}: Blood Cells Mol Dis {Volume}: 105 {Issue}: 0 {Year}: 2024 03 17 {Factor}: 2.372 {DOI}: 10.1016/j.bcmd.2024.102826