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Complementary fragmentation pattern analysis by gas chromatography–mass spectrometry and liquid chromatography tandem mass spectrometry confirmed the precious lignan content of Cirsium weeds

Gas Chromatography–mass SpectrometryGas ChromatographyMass SpectrometryCirsium WeedsWeed ControlAnalytical ChemistryMedicinePrecious Lignan ContentChromatographyWeed Science