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Mean deformation of the tissue-mimicking phantom (microns) containing microgels with 0% cross-linking and 7 % cross-linking at a concentration of 2.5 mg / 100 ml of water and 1.5 mg / 100 ml of water respectively under ultrasound stimulation of 1 MHz versus peak-to-peak amplitude of ultrasound stimulation. Ten replications were run per condition. Error bars represent standard deviation. Mean values +/− standard deviation are presented
