Spence J, Belley-Cote E, Jacobsohn E, Lee SF, et al. Restricted versus liberal intraoperative benzodiazepine use in cardiac anaesthesia for reducing delirium (B-Free Pilot): a pilot, multicentre, randomised, cluster crossover trial. Br J Anaesth 2020 May 13. pii: S0007-0912(20)30217.
PMID: 32416996