@article{ref1,
title="In most EMS systems there is an annual exercise termed a disaster drill",
journal="Emergency medical services",
year="1978",
author="Nagel, E. L.",
volume="7",
number="5",
pages="115-117",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0094-6575",
doi="",
url="http://dx.doi.org/"
}