Starr, N., Rebollo, D., Asemu, Y., Akalu, L., Mohammed, H., Menchamo, M., Melese, E., Bitew, S., Wilson, I., Tadesse, M. & Weiser, T. 2020, 'Pulse oximetry in low-resource settings during the COVID-19 pandemic', The Lancet Global Health, 8(9), pp. e1121-e1122. https://doi.org/10.1016/S2214-109X(20)30287-4