@article{ref1,
title="Business-trip accident, acute heart death following mental and emotional stress",
journal="Monatsschrift fur Unfallheilkunde",
year="1975",
author="Harrfeldt, H. P.",
volume="78",
number="10",
pages="482-483",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0340-1669",
doi="",
url="http://dx.doi.org/"
}