@article{ref1,
title="The politics of helmets for motorcyclists",
journal="Western journal of medicine",
year="1981",
author="Conant, M. A.",
volume="135",
number="5",
pages="423-424",
abstract="Abstract unavailable.",
language="",
issn="0093-0415",
doi="",
url="http://dx.doi.org/"
}