@article{ref1,
title="Summaries for patients. Screening to identify primary care patients who are at risk for suicide: recommendations from the U.S. Preventive Services Task Force",
journal="Annals of internal medicine",
year="2004",
author="",
volume="140",
number="10",
pages="I49-I49",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-4819",
doi="",
url="http://dx.doi.org/"
}