@article{ref1,
title="The catastrophic asthmatic",
journal="British journal of diseases of the chest",
year="1987",
author="Crompton, G.",
volume="81",
number="4",
pages="321-325",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-0971",
doi="",
url="http://dx.doi.org/"
}