@article{ref1,
title="Item-analysis of a stress scale",
journal="Psychological reports",
year="1983",
author="Posner, I. and Lester, David and Leitner, L. A.",
volume="53",
number="3",
pages="814-814",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0033-2941",
doi="",
url="http://dx.doi.org/"
}