@Article{Kozak2011,
journal="Kardiochirurgia i Torakochirurgia Polska/Polish Journal of Thoracic and Cardiovascular Surgery",
issn="1731-5530",
volume="8",
number="3",
year="2011",
title="Commentary",
author="Kozak, Józef",
pages="370--370",
url="https://www.termedia.pl/Commentary,40,17435,1,1.html"
}