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. Author manuscript; available in PMC: 2013 Mar 1.
Published in final edited form as: Ultrasound Med Biol. 2012 Jan 21;38(3):443–453. doi: 10.1016/j.ultrasmedbio.2011.12.008

Fig. 1.

Fig. 1

In vitro vessel phantom study. (a) Top view of a wall-less vessel phantom (arrow) made with 2% agarose gel. (b) US probe placement longitudinally to the wall-less vessel phantom (arrow). (c) Contrast harmonic image (CHI) of the phantom with microbubble solution flowing through. (d) Time- intensity curves of CHI and MFI with destruction of microbubbles (flash, arrow) every 20 seconds.