1. Measuring quality of life: a comment;Williams;Sociol. Hlth Illness,1987
2. Fuller accounts are available in Gudex C. and Kind P. The QALY Toolkit. Centre for Health Economics, Discussion Paper No. 38
3. The economics of coronary artery by-pass grafting;Williams;Br. med. J.,1985
4. A comparison of measures of inequality in morbidity;Blaxter,1989
5. Health Indicators,1985