@article{ref1,
title="Psychotraumatic Stress and Anxiety",
journal="Anxiety research",
year="1991",
author="van der Ploeg, Henk M.",
volume="4",
number="3",
pages="183-185",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0891-7779",
doi="10.1080/08917779108248772",
url="http://dx.doi.org/10.1080/08917779108248772"
}