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. 2015 Jul 31;3:11. doi: 10.1186/s40349-015-0032-9

Fig. 4.

Fig. 4

Peak target pressure for different targets and focusing approaches. The peak absolute pressure (in MPa) achieved near each of the defined targets for all focusing approaches. It can be clearly seen that the SPC and SPAC approaches yield far stronger foci than the DPC and RTPC approaches