TY - CPAPER TI - Simultaneous analysis of tramadol, O-desmethyltramadol and N-desmethyltramadol enantiomers in rat plasma by high-performance liquid chromatography-tandem mass spectrometry: application to pharmacokinetics PY - 2009 AU - Godoy, Ana Leonor Pardo Campos AU - Moraes, Natália Valadares de AU - Lanchote, Vera Lúcia T2 - International Congress of Pharmaceutical Sciences (CIFARP) J2 - Program and Abstracts PP - Ribeirão Preto ER -