@article{ref1,
title="Causes of severe morbidity/mortality cases",
journal="CDA journal California Dental Association",
year="1983",
author="de Julien, L. F.",
volume="11",
number="2",
pages="45-48",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0091-4231",
doi="",
url="http://dx.doi.org/"
}