@article{ref1,
title="Kymographic study on a free revolver ball in the right ventricle",
journal="Acta cardiologica",
year="1953",
author="Segers, Mien",
volume="8",
number="3",
pages="303-304",
abstract="<p>[Abstract unavailable]</p><p>Language: un</p>",
language="un",
issn="0001-5385",
doi="",
url="http://dx.doi.org/"
}