@article{ref1,
title="Firearm-related homicides among teenagers and young adults",
journal="JAMA journal of the American Medical Association",
year="1999",
author="Christoffel, Katherine Kaufer",
volume="281",
number="4",
pages="323-324",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0098-7484",
doi="",
url="http://dx.doi.org/"
}