Muhamad Jamil, N. K., Nurul, A. A., Ahmad, I., Samhani, I., & Bakar, R. A. (2021). D4 and D5 dopamine receptor mRNA expression in human peripheral blood lymphocytes among cooccurring opioid and amphetamine-type stimulants use disorder undergoing methadone maintenance therapy. Bangladesh Journal of Medical Science, 20(3), 563–568. https://doi.org/10.3329/bjms.v20i3.52799