@article{ref1,
title="Blunt injury to the abdomen",
journal="American journal of proctology",
year="1971",
author="Stiles, W. W.",
volume="22",
number="5",
pages="321-325",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9521",
doi="",
url="http://dx.doi.org/"
}