@article{ref1,
title="Primary dentition trauma",
journal="Journal of the Macomb Dental Society",
year="1984",
author="Szymanski, K. G.",
volume="21",
number="4",
pages="5-6",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0744-9682",
doi="",
url="http://dx.doi.org/"
}