@Article{Maruszewski2013,
journal="Kardiochirurgia i Torakochirurgia Polska/Polish Journal of Thoracic and Cardiovascular Surgery",
issn="1731-5530",
volume="10",
number="3",
year="2013",
title="Quality in medicineMain cardiac surgery procedures performed in Poland in 2012 (according to the National Registry of Cardiac Surgery Procedures – KROK, Warsaw, Poland 2013)",
author="Maruszewski, Bohdan",
pages="300--304",
doi="10.5114/kitp.2013.38109",
url="http://dx.doi.org/10.5114/kitp.2013.38109"
}