@article{ref1,
title="On a rare form of heart injury",
journal="Zentralblatt fur Chirurgie",
year="1965",
author="Colombo, O.",
volume="90",
number="52",
pages="2516-2519",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-409X",
doi="",
url="http://dx.doi.org/"
}