@article{ref1,
title="Head injuries due to motorcycle accidents: crash helmets and alcoholism",
journal="Neurosurgical review",
year="1989",
author="Diemath, H. E.",
volume="12",
number="Suppl 1",
pages="458-464",
abstract="Abstract unavailable.",
language="",
issn="0344-5607",
doi="",
url="http://dx.doi.org/"
}