“…Employing our previous experience (Foltz, Mottaleb, Meziani, & Islam, 2014), in this study, we developed and validated a gas chromatography-mass spectrometry method using the selected ion morning (GC-SIM-MS) mode. We extended the capability of this technique to analyze the frequently occurring three-parent drugs and six-metabolites, without derivatization, from edible fish fillets.…”