Manda, Vamshi; Avula, Bharathi; Ali, Zulfiqar; Khan, Ikhlas; Walker, Larry; Khan, Shabana (May 2014). "Evaluation of In Vitro Absorption, Distribution, Metabolism, and Excretion (ADME) Properties of Mitragynine, 7-Hydroxymitragynine, and Mitraphylline". Planta Medica. 80 (7): 568–576. Bibcode:2014PlMed..80..568M. doi:10.1055/s-0034-1368444. ISSN0032-0943. PMID24841968.
Stuppner, H.; Sturm, S.; Konwalinka, G. (December 1992). "HPLC analysis of the main oxindole alkaloids from Uncaria tomentosa". Chromatographia. 34 (11–12): 597–600. doi:10.1007/BF02269869. ISSN0009-5893. S2CID95048480.
Stuppner, H.; Sturm, S.; Konwalinka, G. (December 1992). "HPLC analysis of the main oxindole alkaloids from Uncaria tomentosa". Chromatographia. 34 (11–12): 597–600. doi:10.1007/BF02269869. ISSN0009-5893. S2CID95048480.
Manda, Vamshi; Avula, Bharathi; Ali, Zulfiqar; Khan, Ikhlas; Walker, Larry; Khan, Shabana (May 2014). "Evaluation of In Vitro Absorption, Distribution, Metabolism, and Excretion (ADME) Properties of Mitragynine, 7-Hydroxymitragynine, and Mitraphylline". Planta Medica. 80 (7): 568–576. Bibcode:2014PlMed..80..568M. doi:10.1055/s-0034-1368444. ISSN0032-0943. PMID24841968.
Stuppner, H.; Sturm, S.; Konwalinka, G. (December 1992). "HPLC analysis of the main oxindole alkaloids from Uncaria tomentosa". Chromatographia. 34 (11–12): 597–600. doi:10.1007/BF02269869. ISSN0009-5893. S2CID95048480.