Article 1 Clinical study 1 Fourteen bioactive ingredients 1 Gumiganghwal-tang 1 Pharmacokinetics 1 Simultaneous analysis UPLC-ESI-MS/MS 1 acetonitrile 1 adult 1 area under the curve 1 atractylenolide I 1 atractylenolide III 1 aucubin 1 baicalein 1 baicalin 1 catalpol 1 controlled study 1 drug blood level 1 drug determination 1 drug stability 1 electrospray mass spectrometry 1 ferulic acid 1 formic acid 1 glycyrrhetinic acid 1 glycyrrhizic acid 1 gumiganghwal tang 1 half life time 1 herbaceous agent 1 human 1 human experiment 1