@article{ref1,
title="Trauma to the perineum, anus, rectum and colon",
journal="American journal of surgery",
year="1950",
author="Siler, V. E. and Bebb, K.",
volume="80",
number="6",
pages="652-662",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9610",
doi="",
url="http://dx.doi.org/"
}