@article{ref1,
title="Nonpowder firearm injuries: whose job is it to protect children?",
journal="American journal of public health",
year="1987",
author="Christoffel, Katherine Kaufer and Christoffel, Thomas H.",
volume="77",
number="6",
pages="735-738",
abstract="Abstract unavailable.",
language="",
issn="0090-0036",
doi="",
url="http://dx.doi.org/"
}