@article{ref1,
title="Possible role of trauma as a cocarcinogen; case report on an oil worker",
journal="Cancer",
year="1953",
author="Kotin, P. and Kahler, J. E.",
volume="6",
number="2",
pages="266-268",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0008-543X",
doi="",
url="http://dx.doi.org/"
}