Polypyrrole-coated capillary in-tube solid phase microextraction coupled with liquid chromatography for analysis of fluoxetine and norfluoxetine and their enantiomers - Silva, Bruno J. G.; Lanças, Fernando Mauro; Queiroz, Maria Eugênia Costa (Congresso Latino Americano de Cromatografia e Técnicas Relacionadas (COLACRO), 2008)