@article{ref1,
title="The structure of PTSD symptoms: A test of alternative models using confirmatory factor analysis",
journal="British journal of clinical psychology",
year="2007",
author="Elklit, Ask and Shevlin, Mark",
volume="46",
number="3",
pages="299-313",
abstract="Objectives.  This study aimed to examine the structure of self-reported post-traumatic stress disorder (PTSD) symptoms.<p />",
language="",
issn="0144-6657",
doi="10.1348/014466506X171540",
url="http://dx.doi.org/10.1348/014466506X171540"
}