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. 2022 Sep;31(9):1803–1816. doi: 10.1177/09622802221098428

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Figure 1. — Schematic representation of the RAS pathway. Coloured in red are the links operating when the cell is infected by SARS-CoV-2. (This is not intended to be a causal DAG in the technical sense of this paper.) RAS: renin-aldosterone system; SARS-CoV-2: severe acute respiratory syndrome coronavirus 2; DAG: directed acyclic graph. (Colour figure available online)