1. Cooper JB, Newbower RS, Kitz RJ An analysis of major errors and equipment failures in anesthesia management: considerations for prevention and detection. Anesthesiology 1984; 60: 34–42.
2. McEwen JA, Jenkins LC Complications of and improvements to breathing circuit monitors for anesthesia ventilators. Med Instrum 1983; 17: 70–4.
3. Canadian Standards Association. Testing of Breathing Gas Interruption Monitors for use During Anaesthesia: Preliminary Standard Z168.10-M1988.
4. Anonymous. Patient circuit disconnections (Hazard Update). Health Devices 1984; 13: 108–10.
5. Arthur D. Little, Inc. A study of accidental breathing system disconnections. Interim Report to Food and Drug Administration, October 1983; USFDA Contract No. 223-82-5070.