TY - GEN AU - Foster,David J R AU - Morton,Erin B AU - Heinkele,Georg AU - Mürdter,Thomas E AU - Somogyi,Andrew A TI - Stereoselective quantification of methadone and a d(6)-labeled isotopomer using high performance liquid chromatography-atmospheric pressure chemical ionization mass-spectrometry: application to a pharmacokinetic study in a methadone maintained subject SN - 0163-4356 PY - 2006///1103 KW - Administration, Oral KW - Adult KW - Area Under Curve KW - Atmospheric Pressure KW - Chromatography, High Pressure Liquid KW - methods KW - Deuterium KW - Drug Administration Schedule KW - Half-Life KW - Humans KW - Injections, Intravenous KW - Isotope Labeling KW - Male KW - Metabolic Clearance Rate KW - Methadone KW - blood KW - Molecular Structure KW - Narcotics KW - administration & dosage KW - Reproducibility of Results KW - Spectrometry, Mass, Electrospray Ionization KW - Stereoisomerism KW - Substance Withdrawal Syndrome KW - Tissue Distribution N1 - Publication Type: Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1097/00007691-200608000-00012 ER -