@article{ref1,
title="Case report on severe injury to anterior teeth",
journal="The fortnightly review of the Chicago Dental Society",
year="1968",
author="Thoma, G. E.",
volume="55",
number="1",
pages="12-13",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0009-353X",
doi="",
url="http://dx.doi.org/"
}