@article{ref1,
title="USA reviews motorcycle safety laws as crash deaths increase",
journal="Lancet",
year="2013",
author="Kirby, Tony",
volume="381",
number="9873",
pages="1171-1172",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0140-6736",
doi="",
url="http://dx.doi.org/"
}