1 Rosenthal M et al (eds). Medical Mishaps. Open University Press, 1999.

2 Donaldson L. Doctors with a problem in an NHS workforce. BMJ 1994; 308: 1277-82.

3 Rotherham G et al. Measures to Assist GPs Whose Performance Gives Cause for Concern. ScHARR, Sheffield University, 1997.