@article{ref1,
title="Trauma centres in the USA--past and present. Trauma centres: a British perspective",
journal="British journal of surgery",
year="1999",
author="Lloyd, D. A.",
volume="86",
number="11",
pages="1477-1477",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1323",
doi="",
url="http://dx.doi.org/"
}