@article{ref1,
title="'Aspects of dental trauma'",
journal="British dental journal",
year="1991",
author="Lowry, L. Y.",
volume="170",
number="5",
pages="200-200",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-0610",
doi="",
url="http://dx.doi.org/"
}