@article{ref1,
title="Aspiration of potpourri",
journal="Chest",
year="1993",
author="Hopkins, R. L. and Kiernan, M. P.",
volume="104",
number="3",
pages="985-986",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0012-3692",
doi="",
url="http://dx.doi.org/"
}