1. Kohn LT , Corrigan JM , Donaldson MS (eds): To err is human. Building a safer health system. Institute of Medicine. Washington DC, National Academy Press , 1999.
2.
2. Gawande AA , Studdert DM , Orav EJ , Brennan TA , et al: Risk factors for retained instruments and sponges after surgery . N Engl J Med348(3): 229-235 , 2003.
3.
3. Spencer FC : Human error in hospitals and industrial accidents: current concepts . J Am Coll Surg191(4): 410-418 , 2000.
4.
4. Wojner AW : Capturing error rates and reporting significant data . Crit Care Nurs Clin North Am14(4): 375-384 , 2002.
5.
5. Birkmeyer JD , et al: Leapfrog Patient Safety Standards: The potential benefits of universal adoption. November 2000.
6.
6. Association of American Medical Colleges, Council of Teaching Hospitals and Health Systems' Quarterly Survey of Hospital Operations & Finance, 2002.