@Article{Kozak2011,
journal="Kardiochirurgia i Torakochirurgia Polska/Polish Journal of Thoracic and Cardiovascular Surgery",
issn="1731-5530",
volume="8",
number="2",
year="2011",
title="Komentarz",
author="Kozak, Józef",
pages="237--238",
url="https://www.termedia.pl/Komentarz,40,17023,1,1.html"
}