Phromchan, W. ., Defri, I. ., Saensano, C. ., Chookaew, A. ., Chiarawipa, R., & Sriwiriyajan, S. . (2024). Morphological and physiological properties of kratom (Mitragyna speciosa) leaves: Macronutrients, phytochemicals, antioxidants, and mitragynine content. Plant Science Today, 11(2). https://doi.org/10.14719/pst.2991 (Original work published May 22, 2024)