PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 14678248-0 2003 Oxidative metabolism of tamoxifen to Z-4-hydroxy-tamoxifen by cytochrome P450 isoforms: an appraisal of in vitro studies. z-4-hydroxy-tamoxifen 37-58 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 62-77