it was found that at 30-37 degrees c and ph 7.4 , over a wide range of [ phosphocreatine ] / [ creatine ] ( from 0.2 to 5.0 ) ratios , both methods gave the same results , showing that magnetization transfer allows determination of real fluxes under 'physiological ' conditions .
C0031634
phosphocreatine
C0010286
creatine