@article{ref1,
title="Using litigation to make public health policy: theoretical and empirical challenges in assessing product liability, tobacco, and gun litigation",
journal="Journal of law, medicine and ethics",
year="2004",
author="Lytton, Timothy D.",
volume="32",
number="4",
pages="556-564",
abstract="Abstract unavailable.",
language="",
issn="1073-1105",
doi="",
url="http://dx.doi.org/"
}