@article{ref1,
title="[Mortality of dentists]",
journal="Nederlands Tijdschrift voor Tandheelkunde",
year="2002",
author="Bol, P.",
volume="109",
number="6",
pages="240-241",
abstract="<p>[Abstract unavailable]</p><p>Language: nl</p>",
language="nl",
issn="0028-2200",
doi="",
url="http://dx.doi.org/"
}