@article{ref1,
title="Ageing, fitness and neurocognitive function",
journal="Nature",
year="1999",
author="Kramer, Arthur F. and Hahn, Sabine and Cohen, N. J. and Banich, M. T. and McAuley, E. and Harrison, C. R. and Chason, J. and Vakil, E. and Bardell, L. and Boileau, R. A. and Colcombe, A.",
volume="400",
number="6743",
pages="418-419",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-0836",
doi="10.1038/22682",
url="http://dx.doi.org/10.1038/22682"
}