@article{ref1,
title="A piece of my mind. knife and gun clubs of america",
journal="JAMA journal of the American Medical Association",
year="1992",
author="Purdy, L. J.",
volume="267",
number="22",
pages="3086-3086",
abstract="Abstract unavailable.",
language="",
issn="0098-7484",
doi="",
url="http://dx.doi.org/"
}