Lipiec , Piotr, Paulina Wejner-Mik, Radosław Kręcki, Łukasz Figiel, and Jarosław D. Kasprzyk. 2011. “Allergic Reactions and Other Adverse Reactions After Administration of Intravenous Echocardiographic Contrast Agents”. Alergoprofil 7 (2), 24-27. https://www.journalsmededu.pl/index.php/alergoprofil/article/view/264.