Copyright information:Taken from "Relationships between free radical levels during carotid endarterectomy and markers of arteriosclerotic disease"International Journal of Medical Sciences 2007;4(3):124-130.Published online 14 Apr 2007PMCID:PMC1868659.© Ivyspring International Publisher. This is an open-access article distributed under the terms of the Creative Commons License (http://creativecommons.org/licenses/by-nc-nd/3.0/). Reproduction is permitted for personal, noncommercial use, provided that the article is in whole, unmodified, and properly cited. Mean values ± SEM are given for OXANO values obtained before clamp, during clamp and at reperfusion. n = 13.