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. Author manuscript; available in PMC: 2013 Oct 1.
Published in final edited form as: Ultrasound Med Biol. 2012 Aug 21;38(10):1784–1798. doi: 10.1016/j.ultrasmedbio.2012.06.013

Fig. 5.

Fig. 5

Boxplot of the subharmonic signal amplitudes obtained at 10 %, 20 % and 40 % incident acoustic power (IAP) levels with 2, 3 and 4 transmit cycles. Minor and major outliers are indicated with circles and asterisks, respectively. Note, that the subharmonic signal amplitudes obtained with 10 % IAP and with 2 cycles are relatively low as compared to the amplitudes obtained with 20 % and 40 % IAP, for 3 and 4 transmit cycles.