@article{ref1,
title="Whirl sign - a hurricane on a weather map",
journal="Medical journal of Australia",
year="2010",
author="Debnath, Debasish and Frecker, Peter",
volume="193",
number="11-12",
pages="725-725",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0025-729X",
doi="",
url="http://dx.doi.org/"
}