Application of a novel sol-gel PDM/PVA SPME fiber for GC determination of pesticide residues in herbal infusions - Zuin, Vânia Gomes; Lopes, Alexandre L.; Yariwake, Janete Harumi; Augusto, Fabio (International Symposium on Hyphenated Techniques in Chromatography and Hyphenated Chromatographic Analyzers, 2004)