at end-arrest , the myocardial creatine phosphate concentration ( nanomoles per milligram of dry weight ) was 20.7 +/- 2.1 , 22.9 +/- 1.7 , 24.8 +/- 2.0 , 31.3 +/- 1.4 , 33.1 +/- 1.8 , and 31.6 +/- 0.8 , respectively , in hearts given cardioplegic solution containing these magnesium concentrations .
C0027061
myocardial
C0018787
hearts