1. R. Lopez-Garcia, Chemical contaminants: preparing for the unexpected. Available from: , (accessed 26.05.2014).
2. D. Carrington, J. Meikle, Horsemeat scandal deepens as minister says bute may be in food chain. Available from: , (accessed 26.05.2014).
3. Veterinary Residues Committee, FSA activity on phenylbutazone testing of horsemeat. Available from: , (accessed 26.05.2014).
4. Residue analysis of 500 high priority pesticides: better by GC-MS or LC-MS/MS?;Alder;Mass Spectrom. Rev,2006
5. Liquid chromatography-mass spectrometry in food safety;Malik;J. Chromatogr. A,2010