@article{ref1,
title="Sentinel events in occupational environments: applications and developments",
journal="Epidemiologia e Prevenzione",
year="1988",
author="Biocca, M.",
volume="10",
number="37",
pages="18-21",
abstract="<p>[Abstract unavailable]</p><p>Language: it</p>",
language="it",
issn="1120-9763",
doi="",
url="http://dx.doi.org/"
}