[Determination of doxepin and nordoxepin in plasma by solid-phase extraction coupled with liquid chromatography-mass spectrometry (PRiME MCX-UPLC-HRMS)]
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Objective: To establish a rapid method for the determination of doxepin and its metabolite nordoxepin residues in plasma samples by PRiME mixed cation-exchange solid-phase extraction coupled with ultra-performance liquid chromatography-high resolution mass spe... ...