@article{ref1,
title=""The pleasurable recreation" of Dr. William H. Feldman",
journal="Mayo Clinic proceedings",
year="1973",
author="Mann, R. J.",
volume="48",
number="10",
pages="738-740",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0025-6196",
doi="",
url="http://dx.doi.org/"
}