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. Author manuscript; available in PMC: 2008 Oct 1.
Published in final edited form as: Ultrasound Med Biol. 2007 Jun 27;33(10):1651–1660. doi: 10.1016/j.ultrasmedbio.2007.04.018

Fig. 5.

Fig. 5

IC threshold for broadband noise emission as a function of the tunnel diameter for 1.2% Optison concentration (squared dots) and the 0.2 % concentration (circle dots). The tunnels were insonated in the center location. Control data are shown also in the figure (triangle dots). The letter A indicates about the same amount of bubbles in the volume V.