@article{ref1,
title="Aiming for evidence-based gun policy",
journal="Journal of Policy Analysis and Management",
year="2006",
author="Cook, Philip J. and Ludwig, J.",
volume="25",
number="3",
pages="691-735",
abstract="<p>In an era when it is fashionable to advocate for social policy based upon evidence, social scientists should be riding high. But there is a problem: The available evidence on what works is often less than definitive.  Language: en</p>",
language="en",
issn="0276-8739",
doi="10.1002/pam.20202",
url="http://dx.doi.org/10.1002/pam.20202"
}