@article{ref1,
title="Motorcycle accidents in which the crash helmet was lost during the accident",
journal="Ugeskrift for Laeger",
year="1986",
author="Poulstrup, A.",
volume="148",
number="7",
pages="417-418",
abstract="Abstract unavailable.",
language="",
issn="0041-5782",
doi="",
url="http://dx.doi.org/"
}