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MLA Citation
Se Hee Jeong et al.. “LC-ESI-MS/MS Simultaneous Analysis Method Coupled with Cation-Exchange Solid-Phase Extraction for Determination of Pyrrolizidine Alkaloids on Five Kinds of Herbal Medicines.” Journal of AOAC International, vol. 104, 2021, pp. 1514–1525. http://access.bl.uk/ark:/81055/vdc_100148045470.0x00002c