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Measured backscatter coefficients for blood sheared at 5, 10, and 50 s−1 and with each of the five phantoms. The corresponding fitted models (in dashed lines) are the SFSE for the 0% SC phantom with compensation for blood attenuation (black squares) and the SFSAE for the four skin-mimicking phantoms (0.25%, 0.5%, 0.75%, and 1% SC).
