@article{ref1,
title="Factors in urban violence",
journal="Pharos of Alpha Omega Alpha-Honor Medical Society. Alpha Omega Alpha",
year="1994",
author="Warner, K. E. and Wegman, M. E.",
volume="57",
number="4",
pages="34-35",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0031-7179",
doi="",
url="http://dx.doi.org/"
}