@article{ref1,
title="Tooth protectors: prevention of dental injuries in sports",
journal="Schweizer Monatsschrift fur Zahnmedizin (1987)",
year="2001",
author="Filippi, Andreas and Pohl, Yango",
volume="111",
number="9",
pages="1074-1085",
abstract="Abstract unavailable.",
language="",
issn="1011-4203",
doi="",
url="http://dx.doi.org/"
}