PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
2783381-9	1989	We propose that ER+ breast cancer that has changed to a paracrine growth factor-driven system (from stromal cells or ER- breast cancer cells) is less responsive to gonadal steroids.	Steroids	172-180	estrogen receptor 1	Homo sapiens	16-18