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. Author manuscript; available in PMC: 2013 Sep 11.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2010 Oct;57(10):2284–2292. doi: 10.1109/TUFFC.2010.1689

Fig. 4.

Fig. 4

Diameter distribution of glass bead scatterers in the background TM material of phantom 2. Measurements were made using a calibrated optical microscope on 500 randomly selected scatterers.