Copyright information:Taken from "Can Biomarkers Identify Women at Increased Stroke Risk? The Women's Health Initiative Hormone Trials"PLoS Clinical Trials 2007;2(6):-.Published online 15 Jun 2007PMCID:PMC1891725.This is an open-access article distributed under the terms of the Creative Commons Public Domain declaration which stipulates that, once placed in the public domain, this work may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.