@article{ref1,
title="Morbidity and mortality associated with flail chest injury: a review of 85 cases",
journal="Journal of trauma",
year="1973",
author="Relihan, M. and Litwin, M. S.",
volume="13",
number="8",
pages="663-671",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-5282",
doi="",
url="http://dx.doi.org/"
}