1. To Err is Human: Building a Safe Health System.;Kohn,1999
2. Incidence of adverse events and negligence in hospitalized patients. Results of the Harvard Medical Practice Study I.;Brennan;N Engl J Med,1991
3. Incidence and types of adverse events and negligent care in Utah and Colorado.;Thomas;Med Care,2000
4. Report of the medical insurance feasibility study. San Francisco: California Medical Association; 1977. Cited by Brennan TA, Leape LL, Laird NM, et al. Incidence of adverse events and negligence in hospitalized patients. Results of the Harvard Medical Practice Study I.;N Engl J Med,1991
5. Estimating hospital deaths due to medical errors.;Hayward;JAMA,2001