TY - JOUR T1 - Development of a Supercritical Fluid Extraction method for simultaneous determination of organophosphorus, organohalogen, organonitrogen and pyretroids pesticides in fruit and vegetables and its comparison with a conventional method by GC-ECD and GC-MS JO - Journal of the Brazilian Chemical Society A1 - Rissato, Sandra Regina A1 - Galhiane, Mário Sérgio A1 - Souza, Antonio G. de A1 - Apon, Bernhard M. SN - 0103-5053 UL - 10.1590/S0103-50532005000600022 VL - 16 Y1 - 2005 PB - Brasil ER -