@article{ref1,
title="Effects of strenuous swim competition in the older age group",
journal="Journal of sports medicine and physical fitness",
year="1972",
author="Zir, L. M. and Rahe, R. H. and Rubin, R. T. and Arthur, R. J.",
volume="12",
number="3",
pages="180-185",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-4707",
doi="",
url="http://dx.doi.org/"
}