@article{ref1,
title="Injuries of the colon and rectum",
journal="Western journal of medicine",
year="1975",
author="Schrock, T. R. and Trunkey, D. D. and Blaisdell, F. W.",
volume="123",
number="3",
pages="236-239",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0093-0415",
doi="",
url="http://dx.doi.org/"
}