@article{ref1,
title="Frequency of dental and traumatic events in the etiology of temporomandibular disorders",
journal="Endodontics and dental traumatology",
year="1988",
author="Bakland, L. K. and Christiansen, E. L. and Strutz, J. M.",
volume="4",
number="4",
pages="182-185",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0109-2502",
doi="",
url="http://dx.doi.org/"
}