@article{ref1,
title="Suicide guns: why collect this information?",
journal="Injury prevention",
year="2000",
author="O'Brien, M. E. and Nie, C. L. and Withers, Richard L. and Mercy, James A. and Kuhn, E. M. and Hargarten, Stephen W.",
volume="6",
number="4",
pages="245-246",
abstract="Abstract unavailable.",
language="en",
issn="1353-8047",
doi="",
url="http://dx.doi.org/"
}