@article{ref1,
title="Riding, colliding, criminalizing-safety and motorcycle helmet laws",
journal="Western journal of medicine",
year="1993",
author="Schonsheck, J",
volume="158",
number="3",
pages="310-311",
abstract="Abstract unavailable.",
language="",
issn="0093-0415",
doi="",
url="http://dx.doi.org/"
}