@article{ref1,
title="'Icebreaker' clears way for gun control efforts",
journal="JAMA journal of the American Medical Association",
year="1994",
author="Marwick, C.",
volume="271",
number="1",
pages="11-12",
abstract="Abstract unavailable.",
language="",
issn="0098-7484",
doi="",
url="http://dx.doi.org/"
}