@article{ref1,
title="Collaboration called key. Progress made since Sept. 11: CDC report",
journal="Modern healthcare",
year="2008",
author="Zigmond, Jessica",
volume="38",
number="8",
pages="8-9",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0160-7480",
doi="",
url="http://dx.doi.org/"
}