@article{ref1,
title="Examining the Health-Risk Tradeoffs of Mandatory Bicycle Helmet Laws",
journal="Risk analysis",
year="2012",
author="Newbold, Stephen C.",
volume="32",
number="5",
pages="791-798",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0272-4332",
doi="10.1111/j.1539-6924.2012.01770.x",
url="http://dx.doi.org/10.1111/j.1539-6924.2012.01770.x"
}