@article{ref1,
title="Traumatically implanted glass bead",
journal="Oral surgery, oral medicine, and oral pathology",
year="1990",
author="Smith, B. R.",
volume="69",
number="2",
pages="266-266",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0030-4220",
doi="",
url="http://dx.doi.org/"
}