@article{ref1,
title="Transport: a public health issue",
journal="British medical journal: BMJ",
year="1992",
author="Godlee, F.",
volume="304",
number="6818",
pages="45-50",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}