Phytochemical characterization of the leaves of Mitragyna speciosa grown in
USA
By: Leon, Francisco; Habib, Eman; Adkins, Jessica E.; Furr, Edward B.;
McCurdy, Christopher R.; Cutler, Stephen J. https://www.researchgate.net/publication/26790705_Phytochemical_
characterization_of_the_leaves_of_Mitragyna_speciosa_grown_in_U.S.A
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