3Commission Regulation ( EC ) 1442/95. Official Journal of European Communities, 1995, (L 143) :26 - 30.
4Alexander Leitner, Peter Zfillner, Wolfgang Lindner. Detemination of the metabolites of nitrofuran antibiotics in animal tissue by high - performance liquid chromatography - tandem mass spectrometry [ J ]. J Chromatogr A ,2001,939:49 - 58.
5Commission Decision 2002/657/EC of 12 August 2002 implementing Council Directive 96/23/EC concerning the performance of analytical methods and the interpretation of results[ J ]. Official J European Communities, 2002,45 ( L 221 ) :8 -36.