![The use of intraoperative epiaortic ultrasonography in monitoring patients over 75 years old treated with aortic valve replacement]()
The use of intraoperative epiaortic ultrasonography in monitoring patients over 75 years old treated with aortic valve replacementNiklewski, Tomasz; Zembala, Michał; Puszczewicz, Dariusz; Nadziakiewicz, Paweł; Karolak, Wojciech; Zembala, Marian · Polish Journal of Cardio-Thoracic Surgery · 2017