1. Anon. (2008) Two held for Sanlu-brand baby milk food scam. China Daily. Available at http://www.chinadaily.com.cn/china/2008-09/16/content_7028615.htm. Last accessed 16 September 2008.
2. Targeting of toxic compounds to the trypanosome's interior;Barrett;Advanced Parasitology,2006
3. Colby R.W. , Mesler R.J. Jr. (1958) Ruminant feed compositions, US Patent No. 2819968, 1958.
4. China Chemical Industry News (2007) Review of last 50 years melamine production in China. China Chemical Industry News. Available at http://www.ccin.com.cn/front/home/templet/default/ShowArticle.jsp?id=23026 Last accessed 18 September 2007.
5. Food Safety and Agricultural Health Standards (2005) Challenges and Opportunities for Developing Country Exports. Report No. 31207. 2005. Available at http://www.worldbank.org/trade/standards. Last accessed 1 October 2005.