1. Reducing the time to activation of the emergency call system in operating theatres: effect of installing vertical red line indicators;Marshall;Br J Anaesth,2024
2. Royal College of Anaesthetists. NAP7: Perioperative Cardiac Arrest. Available from https://rcoa.ac.uk/research/research-projects/national-audit-projects-naps/nap7-perioperative-cardiac-arrest (accessed 23 March 2024).
3. Royal College of Anaesthetists. Chapter 2: Guidelines for the Provision of Anaesthesia Services for the Perioperative Care of Elective and Urgent Care Patients. Available from https://rcoa.ac.uk/gpas/chapter-2 (accessed 15 February 2024).
4. Rationalisation of anæsthetic apparatus;Clausen;Br J Anaesth,1930
5. Modern anaesthetic machines;Sinclair;Contin Educ Anaesth Crit Care Pain,2006