@Article{23641,
journal="Kardiochirurgia i Torakochirurgia Polska/Polish Journal of Thoracic and Cardiovascular Surgery",
issn="1731-5530",
volume="11",
number="3",
year="2014",
title="QUALITY IN MEDICINEMain cardiac surgery procedures performed in Poland in 2013 (according to the National Registry of Cardiac Surgery Procedures - KROK, Warsaw, Poland 2014)",
author="pages="349--352",
doi="10.5114/kitp.2014.45901",
url="http://dx.doi.org/10.5114/kitp.2014.45901"
}