@article{ref1,
title="The risky side of response. Increasing fatalities underscore the need for reconciled safety practices of ground and air ambulances",
journal="JEMS: a journal of emergency medical services",
year="2007",
author="Williams, D. M. and Zalar, Christine M.",
volume="32",
number="4",
pages="58, 60-4, 67",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0197-2510",
doi="10.1016/S0197-2510(07)72163-0",
url="http://dx.doi.org/10.1016/S0197-2510(07)72163-0"
}