Kaspar, Mathias, Sasan Partovi, Markus Aschwanden, Stephan Imfeld, Thomas Baldi, Heiko Uthoff, and Daniel Staub. “Assessment of Microcirculation by Contrast-Enhanced Ultrasound: A new Approach in Vascular Medicine”. Swiss Medical Weekly 144, no. 5152 (January 11, 2015): w14047. Accessed June 29, 2024. https://smw.ch/index.php/smw/article/view/1953.