@article{ref1,
title="Traumatic rupture of the aortic valve; report of a case",
journal="Acta chirurgica Scandinavica",
year="1965",
author="Gregersen, H. and Nielsen, K.",
volume="129",
number="",
pages="669-674",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-5482",
doi="",
url="http://dx.doi.org/"
}