@article{ref1,
title="Instrument meteorological conditions are an important determinant of fatal accident risk for both day and night HEMS operations: response",
journal="Aerospace medicine and human performance",
year="2019",
author="Aherne, Bryan B. and Zhang, Crystal and Chen, Won S. and Newman, David G.",
volume="90",
number="8",
pages="738a-739",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="2375-6314",
doi="10.3357/AMHP.5410a.2019",
url="http://dx.doi.org/10.3357/AMHP.5410a.2019"
}