PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6525977-2 1984 At early stages of carcinogenesis the preparations containing oleic, linoleic and arachidonic acids prevent changes in the cytochrome P-450 content usually observed in case of nitrosodiethylamine introduction. oleic 62-67 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 123-139