Determination of Five Pesticide Residues in Oranges by Matrix Solid-Phase Dispersion and Liquid Chromatography to Estimate Daily Intake of Consumers Ana I. Valenzuela,Yolanda Picó,Guillermina Font Journal of AOAC INTERNATIONAL Volume: 84 | Issue: 3 Page(s): 901-909 http://www.atypon-link.com/AOAC/doi/abs/10.5555/jaoi.2001.84.3.901