@Article{18946,
journal="Kardiochirurgia i Torakochirurgia Polska/Polish Journal of Thoracic and Cardiovascular Surgery",
issn="1731-5530",
volume="9",
number="2",
year="2012",
title="Kalendarium",
author="pages="290--290",
url="https://www.termedia.pl/Kalendarium,40,18946,1,1.html"
}