@Article{15040,
journal="Kardiochirurgia i Torakochirurgia Polska/Polish Journal of Thoracic and Cardiovascular Surgery",
issn="1731-5530",
volume="7",
number="2",
year="2010",
title="Kalendarium",
author="pages="247--247",
url="https://www.termedia.pl/Kalendarium,40,15040,1,1.html"
}