1. The short-form 36 (SF-36) Health Survey Questionnaire (English). Available from: UK Clearing House on Health Outcomes, Nuffield Institute for Health, 71–75 Clarendon Rd, Leeds LS2 9PL, UK.
2. Society and the adolescent self-image;Rosenberg,1965
3. Effect sizes for interpreting changes in health status;Kazis;Med Care,1989
4. Short form 36 (SF-36) health survey questionnaire: normative data for adults of working age;Jenkinson;BMJ,1993
5. Priority setting in the NHS: Purchasing 1994–1995;House of Commons Health Committee,1995