@article{ref1,
title="Organization of the primary transportation of head injuries and other emergencies in the Federal Republic of Germany",
journal="Advances and technical standards in neurosurgery",
year="1991",
author="Dietz, H.",
volume="18",
number="",
pages="133-141",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0095-4829",
doi="",
url="http://dx.doi.org/"
}