SEARCH Articles Figures Tables High performance liquid chromatography coupled with tandem mass High performance liquid chromatography tandem High performance liquid chromatography with tandem mass High performance liquid chromatography with tandem mass spectrometry , determination High performance liquid chromatography/atmospheric pressure ionization-tandem mass spectrometry High performance liquid chromatography/mass High-mass High-performance liquid chromatography tandem mass spectrometry Liquid chromatography-mass