@article{ref1,
title="Cycle helmets. Do not separate bicycles from motor vehicles",
journal="British medical journal: BMJ",
year="1994",
author="Wachtel, A.",
volume="309",
number="6953",
pages="541-542",
abstract="Discussion of motorcycle and bicycle helmets and the role of automobile drivers.  <p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}