Enantioselective analysis of praziquantel and trans-4-hydroxypraziquantel in human plasma by chiral LC-MS/MS: application to pharmacokinetics - Lima, Renata Monteiro; Ferreira, Maria Augusta Drago; Ponte, Teresa Maria de Jesus; Marques, Maria Paula; Takayanagui, Osvaldo Massaiti; Garcia, Hector Hugo; Coelho, Eduardo Barbosa; Bonato, Pierina Sueli; Lanchote, Vera Lúcia (Journal of Chromatography B, 2009)