Correspondence on: 'Interleukin-6 blockade with sarilumab in severe COVID-19 pneumonia with systemic hyperinflammation-an open-label cohort study' by Della-Torre et al

ANNALS OF THE RHEUMATIC DISEASES

BMJ PUBLISHING GROUP

1. National Natural Science Foundation of China [81501923]
2. Natural Science Foundation of Hunan Province [2019JJ40289]
3. Applied Basic Research and Soft Science Research Program of Yiyang City [2018YR03]