Search for: [Subject and Keywords = kardiologia] OR [Subject and Keywords = czasopismo medyczne] OR [Subject and Keywords = czasopismo naukowe] OR [Subject and Keywords = medycyna i zdrowie] OR [Subject and Keywords = nauka i badania] OR [Title = Kardiologia Polska = Polish Heart Journal \: the official peer\-reviewed journal of the Polish Cardiac Society. Vol. 81, 2023, no. 1]