Profiling Analysis of Tryptophan Metabolites in the Urine of Patients with Parkinson’s Disease Using LC–MS/MS by So Hyeon Chung, Dallah Yoo, Tae-Beom Ahn, Wonwoong Lee, Jongki Hong

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Efficient Matrix Cleanup of Soft-Gel-Type Dietary Supplements for Rapid Screening of 92 Illegal Adulterants Using EMR-Lipid dSPE and UHPLC-Q/TOF-MS by Beom Hee Kim, Wonwoong Lee, You Lee Kim, Ji Hyun Lee, Jongki Hong

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UHPLC-MS/MS profiling of histidine and bile acid metabolism in human gastric fluid for diagnosis of gastric diseases by Wonwoong Lee, Jinhee Um, Keon-hee Ko, Yong Chan Lee, Bong Chul Chung, Jongki Hong

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Profiling of Steroid Metabolic Pathways in Human Plasma by GC-MS/MS Combined with Microwave-Assisted Derivatization for Diagnosis of Gastric Disorders by Wonwoong Lee, Hyunjung Lee, You Lee Kim, Yong Chan Lee, Bong Chul Chung, Jongki Hong

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Identification of Terpene Compositions in the Leaves and Inflorescences of Hybrid <i>Cannabis</i> Species Using Headspace-Gas Chromatography/Mass Spectrometry by Sangin Lee, Eun Jae Kim, Eunjeong Kwon, Seo Jeong Oh, Mansoo Cho, Chul Min Kim, Wonwoong Lee, Jongki Hong

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