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2. The European Union On-Line, Official Documents. http://europa.eu.int, European Communities, 2000.
3. Official Maximum Residue Limits (MRLs), http://www.mcx.plaguicidas/plagas.htm, Ministerio de Agricultura, Pesca y Alimentación, 2002.
4. Official multiresidue methods of pesticide analysis in vegetables, fruits and soil
5. Determination of pesticide residues in fruit and vegetables