Todd, R, Rogers, C A, Pufulete, M, Culliford, L, Pretorius, P, Voets, N, Akowuah, E, Sayeed, R, Lazaroo, M, Kaur, S, Angelini, G D & Gibbison, B 2023, ' Efficacy and safety of carbon dioxide insufflation for brain protection for patients undergoing planned left-sided open heart valve surgery : protocol for a multicentre, placebo-controlled, blinded, randomised controlled trial (the CO2 Study) ', BMJ Open, vol. 13, no. 5, e074221, pp. e074221 . https://doi.org/10.1136/bmjopen-2023-074221
Birtle, A, Johnson, M, Donovan, J L & al., E 2020, ' Adjuvant chemotherapy in upper tract urothelial carcinoma (the POUT trial) : a phase 3, open-label, randomised controlled trial ', Lancet, vol. 395, no. 10232, pp. 1268-1277 . https://doi.org/10.1016/S0140-6736(20)30415-3 Lancet (London, England)