PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9663813-2 1998 AIMS: Dihydrocodeine is metabolized to dihydromorphine via the isoenzyme cytochrome P450 2D6, whose activity is determined by genetic polymorphism. Dihydromorphine 39-54 cytochrome P450 2D6 Homo sapiens 73-92