PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9642119-0 1998 Skin cancer chemopreventive effects of a flavonoid antioxidant silymarin are mediated via impairment of receptor tyrosine kinase signaling and perturbation in cell cycle progression. Silymarin 63-72 ret proto-oncogene Homo sapiens 104-128