@article{ref1,
title="Discussion of "Helmet use, patterns of injury, and medical outcome among motorcycle drivers in Maryland"",
journal="Proceedings: Association for the Advancement of Automotive Medicine Annual Conference",
year="1990",
author="McSwain, Norman E.",
volume="34",
number="",
pages="35-40",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1540-0344",
doi="",
url="http://dx.doi.org/"
}