Kumar, Yatindra, Sudhir Singh Gangwar, Mudit Kumar, Sachin Kumar, and Brajesh Kumar. “The Pharmacogenetics of Opioid Metabolism: A Clinical Perspective”. Journal of Pharmacology, Genetics and Molecular Biology (August 4, 2025): 188–201. Accessed February 11, 2026. https://jpgmb.com/1/article/view/44.