@article{ref1,
title="The seat belt syndrome: sigmoid colon perforation",
journal="Annals of surgery",
year="1967",
author="Blumenberg, R. M.",
volume="165",
number="4",
pages="637-639",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-4932",
doi="",
url="http://dx.doi.org/"
}