@article{ref1,
title="Patterns of indirect fracture in intact and restored human premolar teeth",
journal="Endodontics and dental traumatology",
year="1987",
author="Salis, S. G. and Hood, J. A. and Stokes, A. N. and Kirk, E. E.",
volume="3",
number="1",
pages="10-14",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0109-2502",
doi="",
url="http://dx.doi.org/"
}