Akhgari, M. et al. 2021. Determination of Methadone and Tramadol in Vitreous Humor Specimens Using Dispersive LiquidLiquidMicroextractionandUltraHighPerformance Liquid Chromatography. International Journal of Medical Toxicology and Forensic Medicine. 11, 1 (Jan. 2021), 31530. DOI:https://doi.org/10.32598/ijmtfm.v11i1.31530.