@article{ref1,
title="Sports in the elderly",
journal="Revue Medicale de Liege",
year="1980",
author="Pirnay, F.",
volume="35",
number="18",
pages="618-623",
abstract="<p>[Abstract unavailable]</p><p>Language: fr</p>",
language="fr",
issn="0370-629X",
doi="",
url="http://dx.doi.org/"
}