Differential pulse oximetry readings between ethnic groups and delayed transfer to intensive care units. - Crooks, C J; West, J; Morling, J R; Simmonds, M; Juurlink, I; Briggs, S; Cruickshank, S; Hammond-Pears, S; Shaw, D; Card, T R; Fogarty, A W (QJM: An International Journal of Medicine, 2023)