@article{ref1,
title="Epidemiology and prevention in the mental health field",
journal="Social psychiatry and psychiatric epidemiology",
year="1990",
author="Cooper, B.",
volume="25",
number="1",
pages="9-15",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0933-7954",
doi="",
url="http://dx.doi.org/"
}