Alrena Lightbourn, Zhi-Ping Zhu, and Carl B. Goodman, “Neuromodulation of Mu Opioid Receptor (MOR-1) Gene (OPRM1) Alternatively-Spliced Variants Following Exposure to Morphine with Alma Fig (Ficus carica) Leaf Extract in Human Neuroblastoma (SH-SY5Y) Cells: Review ”, GJMR, vol. 20, no. B1, pp. 1–25, Jan. 2020.