@article{ref1,
title="Effectiveness of bicycle helmets and the ethics of legislation",
journal="Journal of the Royal Society of Medicine",
year="2004",
author="Wardlaw, Malcolm",
volume="97",
number="8",
pages="409-10; author reply 410",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0141-0768",
doi="10.1258/jrsm.97.8.409",
url="http://dx.doi.org/10.1258/jrsm.97.8.409"
}