@article{ref1,
title="Post-traumatic stress disorder and chronic disease: open questions and future directions",
journal="Social psychiatry and psychiatric epidemiology",
year="2015",
author="Koenen, Karestan C. and Galea, Sandro",
volume="50",
number="4",
pages="511-513",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0933-7954",
doi="10.1007/s00127-015-1035-0",
url="http://dx.doi.org/10.1007/s00127-015-1035-0"
}