@article{ref1,
title="Posttraumatic acalculous cholecystitis: a highly lethal complication",
journal="Journal of trauma",
year="1971",
author="Winegarner, F. G. and Jackson, G. F.",
volume="11",
number="7",
pages="567-569",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-5282",
doi="",
url="http://dx.doi.org/"
}