1. World Health Organization. Melamine contamination event, China, 2008; retrieved Dec 2, 2008, fromhttp://www.who.int/foodsafety/fs_management/infosan_events/en/index.html.
2. U. S. Food and Drug Administration. Frequently asked questions and answers on melamine and melamine contamination; retrieved Dec 12, 2008, fromhttp://www.fda.gov/oc/opacom/hottopics/melamine_qa.html.
3. Melamine as a Dietary Nitrogen Source for Ruminants
4. Public-health risks of melamine in milk products