@article{ref1,
title="Schizophrenia and violence",
journal="Psychological medicine",
year="1989",
author="Volavka, Jan and Krakowski, M.",
volume="19",
number="3",
pages="559-562",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0033-2917",
doi="",
url="http://dx.doi.org/"
}