@article{ref1,
title="The pathology of blunt head injury",
journal="Annals of the Royal College of Surgeons of England",
year="1949",
author="Simpson, K.",
volume="4",
number="4",
pages="232-241",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0035-8843",
doi="",
url="http://dx.doi.org/"
}