@article{ref1,
title="Bicycle accidents in childhood",
journal="British medical journal (clinical research edition)",
year="1987",
author="Worrell, John",
volume="294",
number="6587",
pages="1614-1614",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0267-0623",
doi="10.1136/bmj.294.6587.1614-b",
url="http://dx.doi.org/10.1136/bmj.294.6587.1614-b"
}