Liquid chromatography tandem mass spectrometry determination of fluoxetine and norfluoxetine enantiomers in rat colon tissue - Jabor, Valquíria Aparecida Polisel; Kannen, V. C.; Garcia, Sérgio Britto; Guimarães, Luiz Fernando Lopes (International Symposium on Pharmaceutical and Biomedical Analysis, 2013)