@article{ref1,
title="It happens all over the world.",
journal="Journal of General Orthodontics",
year="1992",
author="Jobbins, W.",
volume="3",
number="1",
pages="12-14",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1048-1990",
doi="",
url="http://dx.doi.org/"
}