@article{ref1,
title="Dementia: definitions, classification, differential diagnosis and therapy",
journal="Lakartidningen",
year="1974",
author="Silfverskiöld, B.",
volume="71",
number="13",
pages="1271-1274",
abstract="<p>[Abstract unavailable]</p><p>Language: sv</p>",
language="sv",
issn="0023-7205",
doi="",
url="http://dx.doi.org/"
}