KOUDELKOVÁ E, GROŠPIC A, NIEDERLE P. Echocardiography in the follow-up of patients with prosthetic heart valves. Arch. Acoust. [Internet]. 2015 Jul. 10 [cited 2025 Jun. 15];9(1-2):267-74. Available from: https://acoustics.ippt.pan.pl/index.php/aa/article/view/3223