@article{ref1,
title="Cyclists should wear helmets",
journal="British medical journal: BMJ",
year="1997",
author="Pless, Ivan Barry and Davis, R.",
volume="314",
number="7085",
pages="977-977",
abstract="Argues for wearing bicycle helmets.  <p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}