PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33410778-1 2020 The aim of this study was to determine the influence of ABCB1, CYP2B6, and CYP3A4 genetic polymorphisms on methadone metabolism in patients with hepatitis C virus (HCV) undergoing methadone maintenance treatment (MMT). Methadone 107-116 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 75-81