PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15970523-6 2005 In addition, preclinical and clinical findings support the use of EGFR TKIs in specific subgroups of breast cancer patients, such as estrogen receptor positive (ER+), tamoxifen resistant patients. Tamoxifen 167-176 epidermal growth factor receptor Homo sapiens 66-70