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Figure 3: The use of color-coded duplex ultrasonography for localization of stones during ESWL. The CCD signal indicates by sound and graphics when the stone is hit by the shock wave. Moreover, the change of the signal may indicate breakage of the stone

Figure 3: The use of color-coded duplex ultrasonography for localization of stones during ESWL. The CCD signal indicates by sound and graphics when the stone is hit by the shock wave. Moreover, the change of the signal may indicate breakage of the stone