@article{ref1,
title="Pencil injury",
journal="Oral surgery, oral medicine, and oral pathology",
year="1993",
author="Coro, C. M. and Thiede, C. and Podlesh, S.",
volume="76",
number="2",
pages="256-256",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0030-4220",
doi="",
url="http://dx.doi.org/"
}