References
- Paul A A, Southgate D A T. The Composition of Foods. HMSO, London 1978
- Dietary Reference Values for Food Energy and Nutrients for the United Kingdom. HMSO, London 1991
- Recommended Dietary Allowances. National Academy Press, Washington, DC 1989
- IPCS (International Programme on Chemical Safety). Chromium. Environmental Health Criteria 61. World Health Organization, Geneva 1988