@article{article509e2014,
title   = {Optimization of in situ derivatization SPME by experimental design for GC-MS multi-residue analysis of pharmaceutical drugs in wastewater},
author = {Gomes, Paulo Clairmont Feitosa de Lima and Barletta, Juliana Yamashita and Nazario, Carlos Eduardo Domingues and Santos Neto, Alvaro Jose dos and Von Wolff, Marya Anne and Coneglian, Cassiana Maria Coneglian and Umbuzeiro, Gisela Aragão and Lanças, Fernando Mauro},
year = {2011},
doi = {10.1002/jssc.201000708},
journal   = {Journal of Separation Science}
}