@article{ref1,
title="The state of research on the mental health effects of terrorism",
journal="Epidemiologia e Psichiatria Sociale",
year="2004",
author="North, Carol S. and Pfefferbaum, Betty",
volume="13",
number="1",
pages="4-9",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1121-189X",
doi="",
url="http://dx.doi.org/"
}