@article{ref1,
title="The 'light bulb' sign",
journal="Journal of accident and emergency medicine",
year="1994",
author="Wright, B. and Booth, J.",
volume="11",
number="3",
pages="210-210",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1351-0622",
doi="",
url="http://dx.doi.org/"
}