@article{ref1,
title="Student and faculty urinary mercury levels",
journal="Journal of dental research",
year="1972",
author="Roth, G. D. and Green, V. A.",
volume="51",
number="5",
pages="1515-1515",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-0345",
doi="",
url="http://dx.doi.org/"
}