1. Kohn LT, Corrigan JM, Donaldson MS, eds. To err is human; building a safer health system. National Academy Press, Washington, D.C.: 1999.
2. Department of Health, United Kingdom (DOHIUK). An organization with a memory: a report of an expert group on learning from adverse events in the NHS. National Health Service, London, 2000.
3. Battles JB, Lilford RJ. Organizing patient safety research to identify risks and hazards. Qual Safe Health Care 2003; 12 (Suppl II): ii2–ii7.
4. Aspden P, Corrigan JM, Wolcutt J, Ericksen SM, eds.. Patient safety: advancing a new standard of care. National Academy Press Washington, D.C., 2003.
5. Joint Commission on Accreditation of Healthcare Organization: Medical errors, sentinel events, and accreditation. A report to the to the Association of Anaesthesia Program directors: October 28, 2000.