Doidge, J., Gould, D., Ferrando-Vivas, P., Mouncey, P., Thomas, K., Shankar-Hari, M., Harrison, D. & Rowan, K. 2021, 'Trends in Intensive Care for Patients with COVID-19 in England, Wales, and Northern Ireland', American Journal of Respiratory and Critical Care Medicine, 203(5), pp. 565-574. https://doi.org/10.1164/rccm.202008-3212OC