Article Text
Correspondence
More evidences on which biologic and which pathway is key in severe-critical COVID-19 pneumonia
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Footnotes
Contributors GF: substantial contribution to study conception and design; substantial contribution to analysis and interpretation of data; drafted the paper for its intellectual content; finally approved the version fo the submitted article.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Patient and public involvement Patients and/or the public were not involved in the design, or conduct, or reporting, or dissemination plans of this research.
Provenance and peer review Not commissioned; internally peer reviewed.