Simultaneous determination of anticonvulsants in human plasma by off-line solid-phase microextraction and liquid chromatography (SPME/LC) - Queiroz, Maria Eugênia Costa; Toso, D R; Carvalho, Dermeval; Lacerda, Cristina; Lanças, Fernando Mauro (International Symposium on Capillary Chromatography & Electrophoresis, 2005)