Contribution of Cytochrome P450 and ABCB1 Genetic Variability on Methadone Pharmacokinetics, Dose Requirements, and Response
Table 2
Genotype frequencies of CYP3A5, CYP2D6, CYP2B6, CYP2C9, CYP2C19 and ABCB1 between responder and nonresponder groups.