@article{ref1,
title="Past and present applications on the mouth protector",
journal="Journal of dentistry for children (1940)",
year="1966",
author="Riviere, G. R. and Williams, Timothy Philip and Douglas, B. L.",
volume="33",
number="6",
pages="368-374",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-0353",
doi="",
url="http://dx.doi.org/"
}