@article{ref1,
title="Air embolism: a cause of morbidity and death after penetrating chest trauma",
journal="Journal of trauma",
year="1974",
author="Thomas, A. N. and Stephens, B. G.",
volume="14",
number="8",
pages="633-638",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-5282",
doi="",
url="http://dx.doi.org/"
}