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. 2016 Apr 27;6:100. doi: 10.3389/fonc.2016.00100

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Copyright © 2016 Pais and Degani.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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The chemical structure of 17β-estradiol pyridine-tetra-acetate-Gd (EPTA-Gd) and tamoxifen pyridine-tetra-acetate-Gd (TPTA-Gd) (A) and their competitive displacement curves by tritiated 17β-estradiol (³HE2) on a human recombinant ERα in reference to tamoxifen competition (B).