RT Journal Article SR Electronic T1 Pulse oximeter measurements vary across ethnic groups: an observational study in patients with COVID-19 JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 2103246 DO 10.1183/13993003.03246-2021 VO 59 IS 4 A1 Crooks, Colin J. A1 West, Joe A1 Morling, Joanne R. A1 Simmonds, Mark A1 Juurlink, Irene A1 Briggs, Steve A1 Cruickshank, Simon A1 Hammond-Pears, Susan A1 Shaw, Dominick A1 Card, Timothy R. A1 Fogarty, Andrew W. YR 2022 UL http://erj.ersjournals.com/content/59/4/2103246.abstract AB