@article{ref1,
title="Influence of social services on well-being among the aged",
journal="Evaluation and program planning",
year="1978",
author="Cotter, Patrick and Davidson, William B.",
volume="1",
number="2",
pages="159-160",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0149-7189",
doi="10.1016/0149-7189(78)90036-8",
url="http://dx.doi.org/10.1016/0149-7189(78)90036-8"
}