References
- WHO . 1981 . “ Evaluation of certain food additives ” . In 25th Report of the Joint FAO/WHO Expert Committee on Food Additives , Technical Report Series No. 669 Geneva : WHO .
- Umberger , E. J. 1975 . Products marketed to promote growth in food producing animals—steroid and hormone products . Toxicology , 3 : 3
- 1983 . International Symposium on Food Toxicology/Symposium International de Toxicologie Alimentaire organized by the National Laboratory of Veterinary Drugs . October 11–13 1983 , Fougères, France. European Group for Residue Studies, and the French Society of Toxicology .