@article{ref1,
title="The issue of bicycle helmet is not only the traveller's concern",
journal="Lakartidningen",
year="2004",
author="Gardelof, Bror",
volume="101",
number="26-27",
pages="2294-2294",
abstract="Abstract unavailable.",
language="",
issn="0023-7205",
doi="",
url="http://dx.doi.org/"
}