Enantioselective analysis of mirtazapine, demethylmirtazapine and 8-hydroxymirtazapine in human urine after solid-phase microextraction - Santana, Fernando José Malagueño de; Jabor, Valquíria Aparecida Polisel; Cesarino, Evandro José; Lanchote, Vera Lúcia; Bonato, Pierina Sueli (Journal of Separation Science, 2010)