PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9054616-5 1997 The number of foci induced by methylcholanthrene, N-methyl-N"-nitro-N-nitrosoguanidine or quercetin was significantly reduced when the cultures were treated with TGF-beta. Methylcholanthrene 30-48 transforming growth factor beta 1 Homo sapiens 162-170