Fig. 2 (abstract P41).From: Abstracts from the International Society for Therapeutic Ultrasound Conference 2017(a) Droplets size distribution used in the simulation. (b) Sound speed and (c) sound attenuation coefficient as a function of void fraction in the phantom. (d)Sound speed as function of frequency (void fraction is 2.52×10Â4 mL/mL)Back to article page