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<a href="https://pubmed.ncbi.nlm.nih.gov/39644381/" rel="nofollow noopener noreferrer" target="_blank">Quantification of 11 kratom alkaloids including mitragynine and its main metabolites in human plasma using LC-MS/MS</a>

Sempio C, Campos-Palomino J, Klawitter J, Zhao W, Huestis MA, Christians U, Klawitter J. Anal Bioanal Chem. 2025 Feb;417(4):761-769. doi: 10.1007/s00216-024-05689-9. Epub 2024 Dec 7. PMID: 39644381.

1. <a href="https://pubmed.ncbi.nlm.nih.gov/39644381/" rel="nofollow noopener noreferrer" target="_blank">Quantification of 11 kratom alkaloids including mitragynine and its main metabolites in human plasma using LC-MS/MS</a>
   Sempio C, Campos-Palomino J, Klawitter J, Zhao W, Huestis MA, Christians U, Klawitter J. Anal Bioanal Chem. 2025 Feb;417(4):761-769. doi: 10.1007/s00216-024-05689-9. Epub 2024 Dec 7. PMID: 39644381.

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