Babkina , T.M., G.S. Smyrnova, O.V. Polishchuk, and L.Yu. Hladka. “An Overview of the Guideline from the British Society of Echocardiography 2020: What’s New?”. Medicni perspektivi 26, no. 1 (March 26, 2021): 11–17. Accessed November 22, 2024. https://journals.uran.ua/index.php/2307-0404/article/view/227711.