Giao, N. Q., Dung, T. T. P., Hoàng, L. H., & Dung, Đặng T. N. (2026). OPRM1 rs1799971 polymorphysm and associated factors among opioid-dependent patients undergoing Methadone maintenance therapy. Journal of Medical Research, 199(2), 10-19. https://doi.org/10.52852/tcncyh.v199i2.4574