@article{ref1,
title="Self-Reported Frequent Mental Distress Among Adults--United States, 1993-2001",
journal="JAMA journal of the American Medical Association",
year="2004",
author="",
volume="292",
number="20",
pages="2458-2459",
abstract="Abstract unavailable.",
language="",
issn="0098-7484",
doi="10.1001/jama.292.20.2458",
url="http://dx.doi.org/10.1001/jama.292.20.2458"
}