PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9429229-3 1997 Similarly, the hydroxylation of tolbutamide, a marker for CYP2C9 was undetected in fetal liver microsomes and rose in the first month after birth. Tolbutamide 32-43 cytochrome P450 family 2 subfamily C member 9 Homo sapiens 58-64