@article{ref1,
title="Depression in old age",
journal="Reviews in clinical gerontology",
year="2004",
author="Katona, C.L.E. and Shankar, K.K.",
volume="14",
number="4",
pages="283-306",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-2598",
doi="10.1017/S0959259805001632",
url="http://dx.doi.org/10.1017/S0959259805001632"
}