@article{ref1,
title="Should wearing of cycle helmets become compulsory?",
journal="Archives of emergency medicine",
year="1993",
author="Worrell, John",
volume="10",
number="1",
pages="62-62",
abstract="Abstract unavailable.",
language="",
issn="0264-4924",
doi="",
url="http://dx.doi.org/"
}