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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: Ultrasound Med Biol. 2012 Jul 3;38(9):1646–1655. doi: 10.1016/j.ultrasmedbio.2012.05.015

Fig. 2.

Fig. 2

Simulated acoustic intensity (normalized in dB) of the center axis of the unfocused and focused beams generated by (a) L7-4 and (b) C4-2 transducers under different levels of attenuation (0.3, 0.5, and 0.7 dB/cm/MHz)