@article{ref1,
title="Traumatic injuries of the portal vein",
journal="American journal of surgery",
year="1972",
author="Chisholm, T. P. and Lenio, P. T.",
volume="124",
number="6",
pages="770-773",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9610",
doi="",
url="http://dx.doi.org/"
}