1. Adam D. The counting house. Nature. 2002;417(6892):898.
2. Kohn LT, Corrigan JM, Donaldson MS, eds. To Err Is Human: Building a Safer Health System. Washington: National Academy Press; 1999.
3. Reason J. Managing the Risks of Organizational Accidents. Aldershot: Ashgate Publishing Limited; 1998.
4. Hazards RJ. Defence and Losses in Managing the Risks of Organizational Accidents. Aldershot: Ashgate Publishing Limited; 1998.
5. Wilson R, Runciman W, Gibberd R, Bernadette T, Newby L, John D. The quality in Australian health care study. Med J Aust. 1995;163:458–471.