@article{ref1,
title="When a patient becomes violent",
journal="American journal of nursing",
year="1977",
author="Anders, R. L.",
volume="77",
number="7",
pages="1144-1148",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-936X",
doi="",
url="http://dx.doi.org/"
}