@article{ref1,
title="Reducing violence--how do we proceed?",
journal="American journal of public health",
year="1994",
author="Christoffel, Katherine Kaufer",
volume="84",
number="4",
pages="539-541",
abstract="Abstract unavailable.",
language="",
issn="0090-0036",
doi="",
url="http://dx.doi.org/"
}