the change in the concentration of phosphocreatine was large and amounted to -127 +/- 11-4 mumol/mmol ct ( mean and s.e . of the mean , negative sign indicates break-down , ct = free creatine + phosphocreatine ) which is equivalent to about -2-13 mumol/g wet weight of muscle .
C0010286
creatine
C0031634
phosphocreatine