@article{ref1,
title="The epidemiologic attitude",
journal="Evolution psychiatrique (Paris)",
year="1968",
author="Veil, C.",
volume="33",
number="2",
pages="253-262",
abstract="<p>[Abstract unavailable]</p><p>Language: fr</p>",
language="fr",
issn="0014-3855",
doi="",
url="http://dx.doi.org/"
}