@article{ref1,
title="Black Hawk helicopter mid-air collision: Townsville General Hospital perspective",
journal="Australian and New Zealand journal of surgery",
year="1999",
author="Avramovic, John",
volume="69",
number="8",
pages="571-572",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0004-8682",
doi="",
url="http://dx.doi.org/"
}