@article{ref1,
title="Mechanisms and obligations in the teaching of trauma",
journal="American journal of surgery",
year="1957",
author="Cole, W. H.",
volume="93",
number="4",
pages="493-497",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9610",
doi="",
url="http://dx.doi.org/"
}