@article{ref1,
title="Patterns of injury requiring pancreatoduodenectomy",
journal="Surgery, gynecology and obstetrics",
year="1973",
author="Sturm, J. T. and Quattlebaum, F. W. and Mowlem, A. and Perry, J. F.",
volume="137",
number="4",
pages="629-632",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0039-6087",
doi="",
url="http://dx.doi.org/"
}