@article{ref1,
title="Traumatic tooth injuries. A clinical and experimental study",
journal="Proc Finn Dent Soc",
year="1987",
author="Oikarinen, K.",
volume="83",
number="Suppl 8",
pages="1-48",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="",
doi="",
url="http://dx.doi.org/"
}