1. Patient safety incidents associated with airway devices in critical care: a review of reports to the UK National Patient Safety Agency;Thomas;Anaesthesia,2009
2. Comparison of three different methods to confirm tracheal tube placement in emergency intubation;Grmec;Intensive Care Medicine,2002
3. Prehospital determination of tracheal tube placement in severe head injury;Grmec;Emergency Medicine Journal,2004
4. The Intensive Care Society Standards for capnography in critical care http://www.ics.ac.uk/intensive_care_professional/standards_and_guidelines/capnography_guidelines
5. College of Intensive Care Medicine of Australia and New Zealand Minimum standards for intensive care units http://www.cicm.org.au/cmsfiles/IC-1%20Minimum%20Standards%20for%20Intensive%20Care%20Units.pdf