@article{ref1,
title="Epidemiology and treatment need for temporomandibular disorders",
journal="Journal of Orofacial Pain",
year="1999",
author="Carlsson, G. E.",
volume="13",
number="4",
pages="232-237",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1064-6655",
doi="",
url="http://dx.doi.org/"
}