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2. On error management: lessons from aviation;Helmreich;Br Med J,2000
3. Human error: models and managements;Reason;Br Med J,2000
4. The Ionising Radiation (Medical Exposure) Regulations;Department of Health,2000
5. Baldwin Report. Report of an investigation into the conduct of isocentric radiotherapy at the North Staffordshire Royal Infirmary between 1982 and 1991. First report, August 1992. Second report, March 1994.