1. Department of Health (1992). The Health of the Nation: a strategy for health in England. Her Majesty's Stationery Office, London.
2. Department of Health (1991) Dietary reference values for food energy and nutrients for the United Kingdom. Report on Health and Social Subjects, 41, Her Majesty's Stationery Office, London.
3. Department of Health (1994) Report on Health and Social Subjects 46. Her Majesty's Stationery Office, London.
4. World Health Organization Study Group. (1990) Technical Report Series 797 WHO, Geneva.
5. The Scottish Office Home and Health Department (1993). The Scottish Diet. Report of a Working Party to the Chief Medical Officer for Scotland.