@Article{20133,
journal="Kardiochirurgia i Torakochirurgia Polska/Polish Journal of Thoracic and Cardiovascular Surgery",
issn="1731-5530",
volume="9",
number="4",
year="2012",
title="Kalendarium",
author="pages="517--517",
doi="10.5114/kitp.2012.32803",
url="http://dx.doi.org/10.5114/kitp.2012.32803"
}