@Article{Chmielak2017,
journal="Advances in Interventional Cardiology/Postępy w Kardiologii Interwencyjnej",
issn="1734-9338",
volume="13",
number="4",
year="2017",
title="Percutaneous mitral balloon valvuloplasty. Difficult mitral valve crossing",
author="Chmielak, Zbigniew
and Demkow, Marcin
and Skowroński, Jarosław
and Tyczyński, Paweł
and Zakrzewski, Dariusz
and Witkowski, Adam",
pages="347--348",
doi="10.5114/aic.2017.71622",
url="http://dx.doi.org/10.5114/aic.2017.71622"
}