@article{ref1,
title="Traumatic tricuspid insufficiency",
journal="American journal of cardiology",
year="1973",
author="Marvin, R. F. and Schrank, J. P. and Nolan, S. P.",
volume="32",
number="5",
pages="723-726",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9149",
doi="",
url="http://dx.doi.org/"
}