@article{ref1,
title="Failure to wear seat-belts or crash-helmets",
journal="British medical journal: BMJ",
year="1972",
author="",
volume="1",
number="5803",
pages="810-811",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}