1. FDA (2008) Animal cloning: a risk assessment. U.S. Food and Drug Administration. Center for Veterinary Medicine. Department of Health & Human Services.
http://www.fda.gov/bbs/topics/NEWS/2006/NEW01541.html
2. Fries GF (1995) A review of the significance of animal food products as potential pathways of human exposures to dioxins. J Anim Sci 73(6):1639–1650
3. Tricker AR, Preussmann R (1990) Chemical food contaminants in the initiation of cancer. Proc Nutr Soc 49:133–144
4. Croci L, De Santis B, Dekkers S, Filippi L, Hutjes RWA, Noordam MY, D’Mello JPF (2003) Food safety: contaminants and toxins. CABI, Wallingford/Cambridge
5. Spears M, Gregorie M (2004) Foodservice organizations: a managerial and systems approach, 5th edn. Pearson Education, Upper Saddle River