PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15692829-1 2005 OBJECTIVE: To investigate the effect of acute hypoxia and concomitant changes in portal blood flow on the disposition of drugs mainly metabolized by the cytochrome P(450) enzymes (CYP) 3A4 (verapamil) and CYP1A2 (theophylline). Verapamil 190-199 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 153-188