Correction: Using arterial-venous oxygen difference to guide red blood cell transfusion strategy

Crit Care. 2022 Aug 24;26(1):254. doi: 10.1186/s13054-022-04117-7.

¹ Department of Morphology, Surgery and Experimental Medicine, Section of Anaesthesia and Intensive Care, Azienda Ospedaliera-Universitaria Sant' Anna, University of Ferrara, 8, Aldo Moro, 44121, Ferrara, Italy.
² Department of Intensive Care, Erasme Hospital, Université Libre de Bruxelles, Brussels, Belgium.
³ Department of Morphology, Surgery and Experimental Medicine, Section of Anaesthesia and Intensive Care, Azienda Ospedaliera-Universitaria Sant' Anna, University of Ferrara, 8, Aldo Moro, 44121, Ferrara, Italy. spdsvn@unife.it.

^# Contributed equally.

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