@article{ref1,
title="Empyema following blunt chest trauma",
journal="Annals of emergency medicine",
year="1985",
author="Lowman, G. F. and Burns, J. R. and Brotman, S.",
volume="14",
number="3",
pages="281-283",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0196-0644",
doi="",
url="http://dx.doi.org/"
}