@article{ref1,
title="Aggression or self defense? A violent conflict",
journal="Pflege Aktuell",
year="1995",
author="Kampmann, A.",
volume="49",
number="2",
pages="100-102",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0944-8918",
doi="",
url="http://dx.doi.org/"
}