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T1 relaxivity (r1) and T2 relaxivity (r2) as a function of pH and echo spacing (ES) of 20, 40, or 60 ms for (a): D-maltose; (b): D-glucose; (c): D-sorbitol; and (d): D-mannitol at 7.0 T and 37 °C. 95% confidence intervals are shown for r1 and r2 at each measured pH.
