@article{ref1,
title="Head injury with fracture of the mandible",
journal="Oral surgery, oral medicine, and oral pathology",
year="1957",
author="Bradley, J. L. and Jakubs, S.",
volume="10",
number="5",
pages="470-474",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0030-4220",
doi="",
url="http://dx.doi.org/"
}