Stereoselective liquid chromatographic determination of 1´-oxobufuralol and 1´-hydroxybufuralol in rat liver microsomal fraction using hollow-fiber liquid-phase microextraction for sample preparation - Barth, Thiago; Simões, Rodrigo Almeida; Pupo, Mônica Tallarico; Okano, Laura Tiemi; Bonato, Pierina Sueli (Journal of Separation Science, 2011)