@article{ref1,
title="Mild traumatic brain injury in U.S. soldiers returning from Iraq",
journal="New England journal of medicine",
year="2008",
author="Xydakis, Michael S. and Robbins, A. S. and Grant, G. A.",
volume="358",
number="20",
pages="2177; author reply 2179-2177; author reply 2179",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0028-4793",
doi="10.1056/NEJMc086083",
url="http://dx.doi.org/10.1056/NEJMc086083"
}