Boonmee, Natthapong, and Assawin Dadookel. 2026. “Development and Optimization of HPLC Conditions for Quantitative Determination of Methadone in Hospital-Prepared Syrup Formulation”. Interprofessional Journal of Health Sciences 24 (1). Pathum Thani, Thailand:IJHS-1519. https://li05.tci-thaijo.org/index.php/IJHS/article/view/1519.