Enantioselective determination of mexiletine and its metabolites p-hydroxymexiletine and hydroxymethylmexiletine in rat plasma by normal-phase liquid chromatography-tandem mass spectrometry: application to pharmacokinetics - Godoy, Ana Leonor Pardo Campos; Parisi, Caio César; Marques, Maria Paula; Coelho, Eduardo Barbosa; Lanchote, Vera Lúcia (Chirality, 2009)