PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12851512-7 2003 Testosterone reduces mammary epithelial estrogen receptor (ER) alpha and increases ERbeta expression, resulting in a marked reversal of the ERalpha/beta ratio found in the estrogen-treated monkey. Testosterone 0-12 estrogen receptor 1 Homo sapiens 40-68 12851512-7 2003 Testosterone reduces mammary epithelial estrogen receptor (ER) alpha and increases ERbeta expression, resulting in a marked reversal of the ERalpha/beta ratio found in the estrogen-treated monkey. Testosterone 0-12 estrogen receptor 1 Homo sapiens 140-147