@article{ref1,
title="When crises get the upper hand",
journal="Respiratory therapy",
year="1976",
author="Hammer, P.",
volume="6",
number="5",
pages="19-21",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0048-7392",
doi="",
url="http://dx.doi.org/"
}