Giao, Nguyễn Quỳnh, Trịnh Thị Phương Dung, Lê Huy Hoàng, and Đặng Thị Ngọc Dung. 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.