@article{ref1,
title="Traumatic injuries on permanent teeth. Occurrence and treatment",
journal="Tandläkartidningen",
year="1974",
author="Wieslander, I. and Lind, V.",
volume="66",
number="12",
pages="716-719",
abstract="<p>[Abstract unavailable]</p><p>Language: sv</p>",
language="sv",
issn="0039-6982",
doi="",
url="http://dx.doi.org/"
}