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Contella L, Farrell CL, Boccuto L, Litwin AH, Flanagan H, Melanson SEF, Tolan NV, Snyder ML, Greene DN. LC-MS/MS Detection of Tryptophan, Kynurenine, Kynurenic Acid, and Quinolinic Acid in Urine Samples from Drug-Positive and Illicit Drug-Negative Patients with a Known History of Substance Use Disorder. Metabolites. 2025; 15(11):749. https://doi.org/10.3390/metabo15110749

Contella, Lindsey, Christopher L. Farrell, Luigi Boccuto, Alain H. Litwin, Hunter Flanagan, Stacy E. F. Melanson, Nicole V. Tolan, Marion L. Snyder, and Dina N. Greene. 2025. "LC-MS/MS Detection of Tryptophan, Kynurenine, Kynurenic Acid, and Quinolinic Acid in Urine Samples from Drug-Positive and Illicit Drug-Negative Patients with a Known History of Substance Use Disorder" Metabolites 15, no. 11: 749. https://doi.org/10.3390/metabo15110749

Contella, L., Farrell, C. L., Boccuto, L., Litwin, A. H., Flanagan, H., Melanson, S. E. F., Tolan, N. V., Snyder, M. L., & Greene, D. N. (2025). LC-MS/MS Detection of Tryptophan, Kynurenine, Kynurenic Acid, and Quinolinic Acid in Urine Samples from Drug-Positive and Illicit Drug-Negative Patients with a Known History of Substance Use Disorder. Metabolites, 15(11), 749. https://doi.org/10.3390/metabo15110749