@article{ref1,
title="Hospital costs of societal violence. Arizona 1989",
journal="Medical care",
year="1992",
author="Mondragón, D.",
volume="30",
number="5",
pages="453-460",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0025-7079",
doi="",
url="http://dx.doi.org/"
}