@article{ref1,
title="Traumatic rupture of the pericardium",
journal="Ugeskrift for Laeger",
year="1970",
author="Andersen, M. and Fredens, M. and Olesen, K. H.",
volume="132",
number="17",
pages="780-783",
abstract="<p>[Abstract unavailable]</p><p>Language: da</p>",
language="da",
issn="0041-5782",
doi="",
url="http://dx.doi.org/"
}