King's College London, Department of Clinical Pharmacology, St Thomas’ Hospital, London, UK
Correspondence to Luca Faconti, Clinical Pharmacology, St Thomas’ Hospital, London SE1 7EH, UK. Tel: +44 2071884799; fax: +44 2071885116; e-mail: [email protected]
Abbreviations: AIx, augmentation index; COVID-19, coronavirus disease 2019; HF, high-frequency; HRV, heart rate variability; LF, low-frequency; NO-cGMP, nitric oxide-cyclic guanosine monophosphate; PDE5, phosphodiesterase type 5; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2
Received 27 October, 2022
Revised 13 February, 2023
Accepted 21 February, 2023
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