Hypoxaemia in the early stage of COVID-19: prevalence of physical or biochemical factors?
Gurgen Harutyunyan, Rosa Isabel Benítez Bermejo, Varsenik Harutyunyan, Garnik Harutyunyan, Andrés Sánchez Gimeno, Artur Cherkezyan, Spartak Petrosyan, Anatoli Gnuni, Suren Soghomonyan
European Respiratory Review Sep 2022, 31 (165) 220138; DOI: 10.1183/16000617.0138-2022