@article{ref1,
title="Patients with head injuries brought in by helicopter",
journal="Wiener Medizinische Wochenschrift",
year="1977",
author="Diemath, H. E. and Spatz, H.",
volume="127",
number="2",
pages="38-41",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0043-5341",
doi="",
url="http://dx.doi.org/"
}