@article{ref1,
title="Helicopter emergency medical services and weather-related accidents",
journal="Air Medical Journal",
year="2014",
author="Butler, Bryan",
volume="33",
number="3",
pages="84-85",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1067-991X",
doi="10.1016/j.amj.2014.02.007",
url="http://dx.doi.org/10.1016/j.amj.2014.02.007"
}