@article{ref1,
title="Non-penetrating injuries of the abdomen",
journal="Medical services journal, Canada",
year="1961",
author="Williamson, N. L.",
volume="17",
number="",
pages="298-304",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0368-9204",
doi="",
url="http://dx.doi.org/"
}