Blayney, M., Stewart, N., Kaye, C., Puxty, K., Chan Seem, R., Donaldson, L., Haddow, C., Hall, R., Martin, C., Paton, M., Lone, N. & McPeake, J. 2022, 'Prevalence, characteristics and longer-term outcomes of patients with persistent critical illness due to COVID-19 in Scotland: a national cohort study', British Journal of Anaesthesia. http://eprints.gla.ac.uk/267335/