@article{ref1,
title="Blunt head injuries incurred by Marine recruits in hand-to-hand combat (judo training)",
journal="Military medicine",
year="1967",
author="Jackson, F. and Earle, K. M. and Beamer, Y. and Clark, Roseanne",
volume="132",
number="10",
pages="803-808",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0026-4075",
doi="",
url="http://dx.doi.org/"
}