@article{ref1,
title="Demonstration of a link between spouse depression and disability and disease activity of persons with rheumatoid arthritis",
journal="Arthritis and rheumatism",
year="2009",
author="Coyne, James C.",
volume="61",
number="8",
pages="1009-1010",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0004-3591",
doi="10.1002/art.24692",
url="http://dx.doi.org/10.1002/art.24692"
}