@article{ref1,
title="Human violence",
journal="American journal of nursing",
year="1976",
author="Sobel, D. E.",
volume="76",
number="1",
pages="69-71",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0002-936X",
doi="",
url="http://dx.doi.org/"
}