@article{ref1,
title="Sitting on a basketball",
journal="Proceedings of the Institute of Medicine of Chicago",
year="1973",
author="Bucy, P. C.",
volume="29",
number="10",
pages="346-351",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0091-746X",
doi="",
url="http://dx.doi.org/"
}