@article{ref1,
title="Causes, frequency, and localization of craniofacial fractures",
journal="Fortschritte der Kiefer- und Gesichts-Chirurgie",
year="1966",
author="Schuchardt, K. and Schwenzer, N. and Rottke, B. and Lentrodt, J.",
volume="11",
number="",
pages="1-6",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0071-7916",
doi="",
url="http://dx.doi.org/"
}