@article{ref1,
title="Cardiorespiratory causes of death in 120 severely injured intensive-care patients",
journal="Helvetica Chirurgica Acta",
year="1972",
author="Frey, P.",
volume="39",
number="1",
pages="72-78",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0018-0181",
doi="",
url="http://dx.doi.org/"
}