@article{ref1,
title="Commentary on "Trends in Scores on Tests of Cognitive Ability in the Elderly U.S. Population, 1993-2000". Beyond inconsistent results: finding the truth about trends in late-life cognitive functioning",
journal="Journals of gerontology. Series B: psychological sciences and social sciences",
year="2003",
author="Freedman, Vicki A. and Martin, Linda G.",
volume="58",
number="6",
pages="S347-8; author reply S348",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1079-5014",
doi="",
url="http://dx.doi.org/"
}