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Semilogarithmic plots of contrast-enhanced signal intensities in the bladder before and at various time points after the injection of (▴) Gd(DTPA-BMA) and (▪) nanoglobule-G4-cystamine-(Gd-DO3A; n = 3, Student’s t-test, **P < 0.002).
Abbreviation: CNR, contrast to noise ratio.
