@article{ref1,
title="Do enforced bicycle helmet laws improve public health? Start with an assessment of the base problem, rather than assume a solution",
journal="British medical journal: BMJ",
year="2006",
author="Clinch, Peter J.",
volume="332",
number="7545",
pages="852-853",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="10.1136/bmj.332.7545.852-b",
url="http://dx.doi.org/10.1136/bmj.332.7545.852-b"
}