@article{ref1,
title="Self-inflicted injury to teeth and supporting structures associated with an occupational habit",
journal="Journal of the Kentucky Dental Association",
year="1976",
author="Mendel, R. W.",
volume="28",
number="3",
pages="15-18",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0023-0162",
doi="",
url="http://dx.doi.org/"
}