PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
31547326-1	2019	Estrogens are major regulators of the mammary gland development, notably during puberty, via estrogen receptor (ER) activation, leading to the proliferation and differentiation of mammary cells.	Estrogens	0-9	estrogen receptor 1	Homo sapiens	93-110	
31547326-1	2019	Estrogens are major regulators of the mammary gland development, notably during puberty, via estrogen receptor (ER) activation, leading to the proliferation and differentiation of mammary cells.	Estrogens	0-9	estrogen receptor 1	Homo sapiens	112-114