1. Minding the Quality: A Consultation Document on the role of the Audit Commission in Quality Assurance in Health Care,1992
2. The QALY Toolkit;Gudex,1988
3. The measurement of hospital output;Rosser;Int J Epid,1972
4. Measuring health: a guide to rating scales and questionnaires;McDowell,1987
5. The Hospital Anxiety and Depression Scale;Zigmond;Acta Psychiatr Scand,1983