@article{ref1,
title="Tornadoes! Prepare for the unpredictable",
journal="Hospitals",
year="1977",
author="Hoyle, J. D.",
volume="51",
number="4",
pages="71-73",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0018-5973",
doi="",
url="http://dx.doi.org/"
}