@article{ref1,
title="The Tampere longitudinal study on ageing. description of the study. Basic results on health and functional ability",
journal="Scandinavian journal of social medicine: supplementum",
year="1992",
author="Jylhä, M. and Jokela, J. and Tolvanen, E. and Heikkinen, E. and Heikkinen, R. L. and Koskinen, Sanna and Leskinen, E. and Lyyra, Anna-Liisa and Pohjolainen, P.",
volume="47",
number="",
pages="1-58",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0301-7311",
doi="",
url="http://dx.doi.org/"
}