@article{ref1,
title="Promoting walking and cycling as an alternative to using cars: comfort of cycling needs to be akin to that of using cars",
journal="British medical journal: BMJ",
year="2004",
author="McGrath, Michael J.",
volume="329",
number="7476",
pages="1237; author reply 1238-1237; author reply 1238",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="10.1136/bmj.329.7476.1237-a",
url="http://dx.doi.org/10.1136/bmj.329.7476.1237-a"
}