N. N. Kamaludin, M. A. Mohd Noor, R. Muhamad, Z. M. Yudin, and N. I. Mohamed Nawi, “Kratom Dependence in Adolescents: Is Methadone A Lifesaver?”, Bangladesh J Med Sci, vol. 20, no. 3, pp. 673–677, Apr. 2021.