@Article{18944,
journal="Kardiochirurgia i Torakochirurgia Polska/Polish Journal of Thoracic and Cardiovascular Surgery",
issn="1731-5530",
volume="9",
number="2",
year="2012",
title="Open cardiac surgical procedures performed in Poland in 2011",
author="pages="284--287",
url="https://www.termedia.pl/Open-cardiac-surgical-procedures-performed-in-Poland-in-2011,40,18944,1,1.html"
}