@Article{Widenka2010,
journal="Kardiochirurgia i Torakochirurgia Polska/Polish Journal of Thoracic and Cardiovascular Surgery",
issn="1731-5530",
volume="7",
number="3",
year="2010",
title="Komentarz",
author="Widenka, Kazimierz",
pages="274--275",
url="https://www.termedia.pl/Komentarz,40,15347,1,1.html"
}