@article{ref1,
title="Violence-free society. American College of Emergency Physicians",
journal="Annals of emergency medicine",
year="1996",
author="American College of Emergency Physicians, ",
volume="27",
number="6",
pages="845-845",
abstract="",
language="",
issn="0196-0644",
doi="",
url="http://dx.doi.org/"
}