8Berends BR.and van Knapen F.An Outline of A Risk Assessment-Based System of Meat Safety Assurance and its Future Prospects[J].Vet Q,1991,21 (4):128 -134.
9Salvat G.and Fravalo P.Risk Assessment Strategies for Europe:Integrated Safety Strategy or Final Product Control:Example of Listeria Monocytogenes in Processed Products from Pork Meat Industry[J].Dtsch Tierarztl Wochenschr,2004Aug,111(8):331 -334.
