PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23842856-13 2013 Polymorphisms in the estrogen receptor-1 and UGT2B15 may be associated with tamoxifen efficacy, but these findings need replication. Tamoxifen 76-85 UDP glucuronosyltransferase family 2 member B15 Homo sapiens 45-52