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. Author manuscript; available in PMC: 2011 Jan 1.
Published in final edited form as: Acoust Phys. 2010 Jan 1;56(3):354–363. doi: 10.1134/s1063771010030140

FIG. 4.

FIG. 4

Quantities of focal peak pressures versus linear focusing gain G for nonlinearity parameters N = 0.5 (a) and N = 2 (b) in the case of wave propagation in tissue (solid line) and derated from water (dashed line).