PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 27459535-5 2016 STUDY DESIGN: This was a randomized, double-blind, controlled study in 60 healthy postmenopausal women treated with the following: 1) double placebo; 2) anastrozole, a potent inhibitor of aromatase-enzyme activity, which mediates E2 synthesis from T; and/or 3) fulvestrant, a selective estrogen receptor-alpha antagonist. Anastrozole 153-164 estrogen receptor 1 Homo sapiens 286-309