@article{ref1,
title="Safety Belts in Cars",
journal="British medical journal: BMJ",
year="1961",
author="Piper, R. and Wintersgill, P and Morwood, JB",
volume="1",
number="5240",
pages="1683-1683",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}