@article{ref1,
title="Depression in older adults",
journal="BMJ",
year="2011",
author="Rodda, Joanne and Walker, Zuzana and Carter, Janet",
volume="343",
number="",
pages="d5219-d5219",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-535X",
doi="10.1136/bmj.d5219",
url="http://dx.doi.org/10.1136/bmj.d5219"
}