Can the Vulnerable Elders-13 Survey (VES-13) scale replace the EuroSCORE scale in predicting complications in patients over 60 years of age undergoing cardiac surgery? - Kowalczuk-Wieteska, Anetta; Parys, Monika; Majchrzyk, Iwona; Zembala, Michał; Zembala, Marian (Advances in Interventional Cardiology/Postępy w Kardiologii Interwencyjnej, 2019)