@article{ref1,
title="Pathogenesis and mechanism of traumatic injuries to teeth",
journal="Endodontics and dental traumatology",
year="1987",
author="Oikarinen, K.",
volume="3",
number="5",
pages="220-223",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0109-2502",
doi="",
url="http://dx.doi.org/"
}