@article{ref1,
title="The severe head injury: methods of assessment; the Calvert Lecture: 1971",
journal="Ulster medical journal, THe",
year="1973",
author="Crockard, H. A.",
volume="42",
number="1",
pages="45-56",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0041-6193",
doi="",
url="http://dx.doi.org/"
}