Moffat, AC, Osselton, MD et Widdop, B. 2004. Clarke's analysis of drugs and poisons in pharmaceuticals, body fluids and postmortem material, third edition. 3rd edition. London : Pharmaceutical Press, 2004. p.2101.
Plumlee, KH. 2004. Clinical Veterinary Toxicology. Saint-Louis : Mosby, 2004. p.477.