Hypoxaemia related to COVID-19: vascular and perfusion abnormalities on dual-energy CT. Issue 12 (December 2020) - Lang, Min; Som, Avik; Mendoza, Dexter P; Flores, Efren J; Reid, Nicholas; Carey, Denston; Li, Matthew D; Witkin, Alison; Rodriguez-Lopez, Josanna M; Shepard, Jo-Anne O; Little, Brent P