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Summary of vaporization thresholds. Each point in the Fluence/Peak negative pressure plane corresponds to a 50% vaporization probability. NEB-GNS, NEB-GNS purified and GNS. The red dotted lines indicate: the mechanical index (MI) FDA limitation of 1.9 for ultrasound imaging (vertical) and the permissible optical fluence exposure of 25 mJ/cm2 (horizontal).
